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Things We Shouldn't Do

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All marriages have secrets... the question is, what secrets are you willing to live with?

Halo "Lo" Roberts once believed she had the perfect marriage. John was charming, devoted, and together they were the power couple everyone admired at the college where they worked. But somewhere along the way love went quiet and suspicion crept in. Now, Lo can't shake the feeling that the man she married is hiding something.

When whispers of an affair turn into scandal, Lo decides to play the long game. She will stay close, gather proof, and protect herself until she is ready to walk away.

But in the fallout, Lo makes a dangerous choice of her own, one that leaves her with a secret she never planned and consequences she cannot escape. And when betrayal takes a deadly turn, Lo begins to wonder if her husband isn't just a liar but something far more dangerous.

360 pages, Kindle Edition

Published February 13, 2026

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About the author

Lindsey Cacy

3 books6 followers
Lindsey Cacy is a multi-genre author and certified yoga teacher known for writing thrillers that sink their teeth into the hidden corners of human nature. She’s the author of Things We Shouldn’t Do, a gripping, twist-filled novel that keeps readers questioning every character and craving more.

Lindsey also writes powerful nonfiction rooted in her personal journey: quitting alcohol, navigating grief, and choosing authenticity. As a Biracial woman and entrepreneur, she brings raw honesty and lived experience to both her fiction and personal essays.

Explore Lindsey’s work for pulse-pounding suspense, emotional depth, and stories that stay with you long after the final page.

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Displaying 1 - 30 of 44 reviews
Profile Image for Pheadra.
1,111 reviews59 followers
Review of advance copy
February 3, 2026
Halo and John have been married for ten years. They both work for the same university. Quite by chance, Halo sees a suspicious text message on John's phone from his young assistant Constance, which raises her hackles and leads her to believe that they are having an affair. She shares her findings with her hot-headed brother, Paxton, and the story evolves from there.
Unfortunately, I didn't warm to Halo, so I felt less invested in how things would turn out.
I received an advance copy of this book and am leaving this review voluntarily. 3 and a half stars
91 reviews
February 14, 2026
a game of clue !

I received this book as an ARC read & let me tell you it’s such a great book !

While reading this I was going through so many emotions, it was like playing a game of clue trying to figure out who was the suspect.

If you had watched the show HIS&HERS then this book is right up that alley. A marriage that’s falling apart, a murder, but you would never believe who the suspect is.
Profile Image for Jody Vogler.
149 reviews5 followers
February 22, 2026
RATING: 4.89

If you love a domestic thriller where the marriage is just as dangerous as the mystery, this one absolutely delivers.

Halo “Lo” Roberts once believed she had the perfect marriage. She and John were the admired power couple at their college. They were charming, successful, untouchable. But when love starts to feel distant and suspicion creeps in, Lo begins to question everything she thought she knew about her husband. What follows is a slow burn unraveling filled with whispered affairs, calculated choices, and secrets that refuse to stay buried.

The writing is truly beautiful. Lindsey has such a poetic way of describing people, places, feelings.. just every sentence is a masterpiece that will keep you fully invested page after page. The characters feel incredibly real, flawed and layered in ways that make every decision hit harder. I adored Sam and Jenna, they are the type of friends everyone would be lucky to have in their corner.

And Damien!! I need more of him asap! He wasn't a massive part of the story, but he captured my heart as well as Lo's!
"But Damien has never tried to fix me, never rushed me, never filled the silence with words I didn't need . He simply shows up, again and again steady and patient."

I was on the edge of my seat the entire book, and just when I thought I had it figured out? Nope. I was constantly guessing who it was, and when the revelation came, I was completely shocked. Like… what?!

“My ghosts weren’t there either, and part of me needed them—needed to be back inside the walls where everything had cracked, so I could touch the edges and decide if they were real.” That line alone captures the haunting tone of this story.

This is a psychological thriller about marriage, betrayal, and the secrets we convince ourselves we can live with....until we can’t. If you’re looking for a domestic thriller that blends relationship drama with genuine suspense and plenty of twists, this is definitely worth picking up. You won’t want to put it down.

Thank you, Lindsey, for trusting me with your amazing book..and for being such an incredible new friend. 💛
111 reviews5 followers
March 28, 2026
​If you are looking for a story that dives deep into the messy realities of marriage betrayal, dark secrets people swear they will take to the grave, and a totally mysterious murder, this one is right up your alley. 👀

​The story centers around Halo aka Lo Roberts and her husband John, who used to be the ultimate, devoted power couple. But when the love goes quiet and whispers of an affair turn into a full-blown scandal, Lo decides to play the long game to gather proof and protect herself. However, she ends up making a dangerous choice of her own, leading to inescapable consequences and a deadly turn that makes her question if her husband is just a liar, or something much more dangerous.

One thing which I really liked is how the author showed all the characters like humans with flaws! It's not like only one person has all the flaws and other is completely dedicated. Nope!! There is much more to it! And this makes the whole mystery feel so much more believable!😉

​But honestly, the biggest win in this entire book for me is the friendship between Sam, Jenna, and Halo. Their bond is just so strong and supportive. Watching them together really makes you realize that we all need friends like that in our own lives!

​The writing is super engaging, and the timing is everything!🤌🏼 Every single chapter reveals a new clue or secret. Just when you sit back and think, "I finally have this figured out!" Boom! A brand new truth comes out of nowhere and leaves you staring at the page yelling, "Wait, WHAT!!!!!!"

Overall it's a good read for anyone who love mysteries.
Profile Image for vivi.
11 reviews
April 4, 2026
Things We Shouldn’t Do by Lindsey Cacy was a very thrilling read, with beautiful emotions, vivid characters and a wonderful story.
I really like how the plot progressed, from the beginning setting a very restless mood. Following the protagonist Halo Roberts journey in the novel felt very much like experiencing her exact emotions through the words on my kindle. The suspense was suspense-ing and the anticipation was at an all time high. This is the kind of book you cannot put down without its contents running amok in your head.
THE CHARACTERS!!!, oh my goshhh, were written so vividly, that I had distinct people and voices in my head. Halo, that idiot John, I even had Constance pictured as the Wicked Witch of the West so much I could hear the cackling. The relationship between Halo and her friends Jenna and Sam was the most heartwarming thing in the whole novel. I was so glad she had them both, and also half afraid they would turn out to be bad people😅(I guess reading too much or watching a lot of movies does that to you 😂) I also loved how the inclusion of a character like Damien into the story was a source of conflict for Halo. Instead of him being another love interest, it was really cool to see her comparing herself with John and how her actions were similar, at the same time also realising she deserved to be loved. I really enjoyed of the book went beyond a typical thriller but also was an exploration of human relationships through Halo’s relationship with her husband (ugh), her friends ( 🎉) and Damien ( ♥️).
Lovely writing and an even lovelier story.
Profile Image for Sadiyah Khan.
78 reviews2 followers
March 29, 2026
This book completely caught me off guard.

I’ll be honest—when I started reading, I had actually forgotten what the story was about. And for a while, I genuinely thought it was just going to be about a woman dealing with a cheating husband and all the emotional fallout. I was like… okay, I get it, but where is this going? and I am glad I waited for the end because THAT plot twist? it hit so hard!.

I literally had to sit up because everything changed in that moment. The story went from slow and emotional to suddenly intense and gripping, everyone and everything felt suspicious and from there it just kept getting better chapter by chapter. The murder, The tension, the suspense, the unraveling of secrets—it all pulled me in so fast.

Lo as a character is really interesting because she’s not written to be perfect. Her choices, particularly the reverse cheating plot twist, are bound to ruffle feathers, and not everyone will be on board. Yet, that's precisely what lends the narrative its authenticity and depth. It shows how messy emotions and betrayal can get.

What I loved most is how the book slowly builds up and then flips everything you thought you understood. By the end, it’s not just about cheating or heartbreak anymore—it’s about something much darker and more complex.

Overall, this was such a surprising read. It started off one way and then completely shifted into something way more intense and addictive. Definitely worth it for that plot twist alone.
27 reviews
April 7, 2026
Every marriage has secrets. Some you don’t survive." ⛈️

If you’re looking for a thriller that starts as a slow-burn domestic drama and rapidly spirals into a dark, edge-of-your-seat mystery, Things We Shouldn't Do needs to be on your TBR immediately.

The story follows Halo (Lo) Roberts, a university professor who seemingly has it all until she discovers her husband’s infidelity. But this isn't just a story about a cheating spouse. When Halo confronts the "other woman" and that woman suddenly goes missing, Halo finds herself as the prime suspect in a disappearance she can’t quite explain.

Why I Loved It
The Atmospheric Vibe: The cover perfectly captures the mood dark, foggy, and unsettling. You can feel the "quiet fear" and suspicion growing on every page.
Unreliable Perspectives: I loved how the author keeps you guessing. Just when I thought I had the plot twists figured out, the story shifted into something much darker and more complex.
The Emotional Weight: It explores the messy reality of betrayal, choices, and the consequences that follow. Lo’s character felt incredibly grounded her confusion and quiet desperation kept me deeply invested in her journey.

This is a masterclass in suspense. It’s gripping, unpredictable, and perfect for readers of psychological thrillers who love a "toxic relationship" trope done right. I stayed up way too late finishing this one because the "guessing game" was just too strong to put down🥲.
Profile Image for taebookie.
69 reviews4 followers
April 3, 2026
OH MY GOD, TO SAY I WAS HOOKED WOULD BE AN UNDERSTATEMENT, IT WAS IG THE FIRST THRILLER BOOK I LOVED THIS MUCH AND i honestly couldn't put it down 😭😭
i was literally reading this in the middle of my college breaks, and this book shut out my surroundings completely. i would be sitting in a noisy cafeteria or in my room, but the second i opened it, i was gone fully trapped in Halo and John's messy, twisted world 🫠
the story follows Halo (Lo), a university professor who slowly realizes her "perfect power couple" marriage is actually a house of cards when she discovers something about her husband, John, everything starts to spiral. a certain someone goes missing, their body is found, and suddenly the woman everyone loves becomes the prime suspect 💀😏
what really got me was how EVERY SINGLE CHARACTER felt SUS
i was constantly trying to play detective, but this book will humble you real quick every theory i had was wrong 😭 the author really played me 🫡🫠
it's a complete rollercoaster of betrayal, lies, and gaslighting that had me wide-eyed and lowkey stressed even during my lectures 🥲 the tension just keeps building, and it never once felt boring to me. the atmosphere is eerie, the emotions feel real, and the pacing keeps you locked in 🧎🏻‍♀️
if you love thrillers with toxic relationships, unreliable characters, and twists that actually shock you, this is your sign!!!
Profile Image for Priyanshi.
88 reviews5 followers
April 4, 2026
A marriage that looks fine from the outside.
Conversations that sound normal.
Days that pass like they always have.
And still, there’s this constant feeling that something isn’t lining up.

A psychological thriller, rooted in suspicion, marriage and betrayal... this book is one heck of a read.
At first it started as story revolving around cheating, and I thought it'll be predictable, but Oh! It Was Not!
It was a kind of scenario where you feel everything is right, but slowly and gradually when everything unwind, you get the actual gist of the things going wrong.

Lo isn’t impulsive... she’s calculated. She didn't react the way I expected and that is what I think the story was based on. When we sometimes make the worst decisions in the moment, but they don't feel like that at that point of time.
So eventually it didn't remain about what John was hiding, but what Lo became once she started looking for it.

By the end I kind of realised that the moral lines have blurred. No one felt innocent, and it felt that the line between self-protection and self-destruction is wayy thinner than we all expect. And now it wasn't about betrayal, but about how far someone can go while still believing they’re justified.

All in all, I really really loved reading the book, the plot was just soo amazing... I couldn't keep it down until I finished it!
11 reviews
April 4, 2026
I began reading this book expecting an ordinary crime novel, but oh my! This book is way beyond your expectations. 🤯📖

This book has the ability to capture your entire attention i am reading it even during lectures or late into the night.

It’s hard to stop reading because each and every page gives you something to think about it keeps you wondering about what happens next.

In this book, you see a couple who seems to have a perfect relationship, but after some time, things start to go wrong—cheating, lying, weird activities, and mysterious trips. There comes a turn of events that change everything.

Halo Roberts, a professor at the university, is initially a likable character, but as the plot develops, she become one of the main suspects in the case of a missing individual. 👀

What makes this book better than other novels is the continuous guessing. You always try to predict the events in the book, but you never get it right.

The author deserves all credit for creating such suspense in his book. If you love:
Thrillers, Toxic relationships, Plot twists that mess with your mind

This book is definitely for you. 🔥

Trust me, you won’t be able to put it down.
67 reviews2 followers
March 24, 2026
What happens to a brother when his sister is heartbroken?

What happens to a girl when her bestie feels distant?

What happens to a boss when his employee files a harassment complaint?

What happens to a mom when her daughter doesn't show up for a family dinner?

What happens to a wife when she finds her husband becoming aloof?

Just some questions this book raises and answers, albeit a little slow. The book is an emotional dive into the psyche of a married professor and what she goes through during different events in her life.

The book starts with a seemingly dramatic plot and soon ends in a thriller with a big reveal. There is friendship, love, duty, emotions, betrayal, fear, cringe, lust, hypocrisy and many more explorations of the roller coaster ride called feelings.

The author uses a lot of double and triple adjectives in sentences especially in their end which made it a difficult read for me. There is also a lot of repetition of phrases and words that felt a little unpleasant. I could have used a shorter version because the story is actually very well thought of. I would have liked to see some more of the budding relationship in the book. Nevertheless, an error free read is always welcome.

Profile Image for anya.
83 reviews4 followers
April 11, 2026
The woman looking back at me feels distant. She doesn’t look like the professor who stood in front of her students yesterday, or the wife who once laughed so easily in John’s arms. She looks like someone trapped between two lives, one splintering apart, the other catching fire too fast to control.

I don't even know where to start, honestly 😭 our girl Halo (the narrator) is in the middle of a marriage in crisis, struggling to understand where it all went wrong, when things go south and everything points at her being the prime suspect. Not going into further details as I do not want to spoil this for anyone, but boy, I feel so damn bad for Halo. I just want to give her a big, warm hug.

One thing I loved about Lindsey's writing style is just how in-depth she goes with the emotions, with the dark chaos that finds a place both within and around Halo. There are moments of extreme vulnerability, occasions where Halo's entire life goes overboard, and the way in which she expresses the physical and mental state of the narrator? IMMACULATE.

Another thing I noticed in her writing is just how pretty some sentences are. You can literally take the sentence out of the story, read it a hundred times and go "that's a beautiful, beautiful sentence right there". Need me to share some examples? I'm more than happy to ><

Peace is a stranger to me now. Still, it sits at the edge of the bed like it’s considering staying.

I can’t hide anymore. The story has legs. It’s sprinting without me. (I didn't know whether to laugh or cry for this one 😭😭)

Hunger never arrives; it just circles and leaves.

YOU SEE WHAT I MEAN??? It's poetic. And I loved that so much.

Please sign me up for the Lindsey Cacy fan club. I'm here for it 🙏
Profile Image for Megan Janae.
40 reviews1 follower
February 15, 2026
Things We Shouldn’t Do is a gripping read that hooks you from page one and never lets go. The pacing is excellent, keeping the momentum strong throughout as tensions escalate and you find yourself constantly questioning who to trust.

It authentically captures the messy, complicated nature of relationships while it excels at portraying how we navigate conflicting emotions during the most difficult moments, especially those times when our hearts and heads pull us in different directions.

The characters feel real in their struggles, making their choices all the more compelling.

The emotional impact surprised me. Just when I thought I had the story figured out, the dynamics would shift in ways that felt both unexpected and true to the characters.

The storyline pulls you deeper with every chapter, making this a book that’s hard to put down.

If you’re looking for a domestic thriller that combines relationship drama with genuine suspense, this is definitely worth picking up, you won’t want to put it down.

I received an advance review copy for free and I am leaving this review voluntarily!
20 reviews
March 29, 2026
College Professor Halo "Lo" Roberts and John are the perfect successful powerhouse couple on campus. But Lo begins to feel a shift and hairline fractions in this idyllic existence. She gets an "inkling " that John is having an affair, and it's with his assistant Constance! Fueled by anger, she approaches Constance giving her an ultimatum - or else! After John goes away on a mysterious trip and returns, Constance comes up missing and the primary suspects are Lo the scorned wife and John who has comfirmed the affair. During the course of the initial investigation, Lo finds out that John is throwing her under the bus driving at full speed! Lindsey Cacy has written a novel filled with believeable yet highly flawed characters creating a page-turner of a novel. Her novel is filled with the realities of what secrets in a marriage can do, true friendships with her girlfriends Sam and Jenna & Damien, her former student, and how decisions made can change the whole fabric of one's very existence. Things We Shouldn't Do is a psychological thriller that keeps you guessing up until the very end.
371 reviews
March 30, 2026
This one pulled me in with its quiet tension and didn’t let go.

At the heart of the story is Lo, a woman who once believed she had a solid, enviable marriage—until doubt slowly begins to seep in. What I really liked was how realistic that shift felt. There’s no dramatic overnight breakdown; instead, it’s the small things, the silences, the instincts you try to ignore.

The story builds in a very controlled way. It’s not loud or overly dramatic, but there’s this constant unease that keeps growing. Lo’s decision to stay and “play the long game” adds an interesting layer—she’s not just reacting, she’s calculating, and that makes her character feel complex and, at times, morally grey.

Just when you think you've got a handle on the direction things are headed, the narrative shifts into shadow. The hidden truths on both sides of the conflict make it hard to tell who's the good guy and who's the bad one, and that's where the book truly excels. It forces you to reconsider your loyalties.

If you enjoy slow-burn domestic thrillers with complicated relationships, messy choices, and a steady build of suspense, this is definitely worth picking up.
Profile Image for L♡.
155 reviews3 followers
April 4, 2026
POV: You trusted no one… and you were STILL wrong.

Things We Shouldn’t Do by Lindsey Cacy is not your typical domestic thriller it’s messier, darker, and way more emotional. The whole cheating-husband-meets-missing-mistress situation already screams drama, but the way the story unfolds?? Pure chaos in the best way. Halo’s life slowly unravelling, everyone acting suspicious, and the constant “who’s lying???” energy had me hooked. I genuinely thought I had it figured out multiple times… and yeah, I was wrong every single time. The tension just keeps building, and some twists actually make you pause and process.

What really stood out is how human the story feels. It’s not just about the mystery it’s about relationships falling apart, guilt, anger, and that unsettling feeling of not knowing who to trust. Every character feels a little shady, which makes it so addictive. The writing is simple but has this haunting tone that stays with you, even if it gets a bit repetitive at times. Still, the pacing, drama, and emotional intensity carry it hard. If you love thrillers where everyone is sus, relationships are messy, and the plot keeps flipping this one’s definitely your vibe.
Profile Image for Amisha.
45 reviews
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April 4, 2026
started Things We Shouldn't Do by Lindsey Cacy with an impression that it would be a story about a troubled relationship, But, No, it shocked me with its storyline. In starting only, you will get to know that its a story about a couple dealing with relationship issues, unspoken tension between them and things left unsaid that should be discussed.
While reading, you start questioning every character's intention and every situation. And that's where the story really pulls you in. The characters feel real, situations feel real and the tension can be sensed between the lines.
No one is perfect in the story, just like the real world. The character have their own flaws, they make questionable decisions. As a reader, you might not agree with their choices always but you understand where they are coming from. The buildup is amazing and just when you think you've figured it out, But No, No No, another twist.
That plot twist? Completely unexpected.
Special mention to the friendships written in this book.
They are amazıng.
If you like stories that builds tension and leave you like, wait, what just happened. This one is for you.
120 reviews3 followers
April 8, 2026
I picked up Things We Shouldn’t Do by Lindsey Cacy thinking it would be a typical relationship drama… but it turned out to be much darker and way more addictive than I expected.

In the beginning, it feels like you’re just reading about a struggling marriage. Halo and her husband seem like any other couple dealing with distance, secrets, and things left unsaid. But slowly, something starts to feel off. You begin to question everyone, and that constant doubt is what really pulls you in.

What I liked most is how real the characters feel. They’re flawed, they make messy choices, and even when you don’t agree with them, you still get why they do what they do. The tension builds quietly, and before you know it, you’re completely invested.

And then the story shifts. It suddenly turns into a full-blown psychological thriller with twists that genuinely catch you off guard. I kept thinking I had it figured out, but I didn’t see the ending coming at all.

The friendships in the book are also a nice touch. They add warmth and balance to an otherwise intense story.

But honestly, the plot makes up for it because it keeps you hooked till the end.

If you like stories where nothing is straightforward, characters are complicated, and the twists actually surprise you, this one is definitely worth reading.
Profile Image for Meenal.
1,113 reviews26 followers
March 21, 2026
Never before has a domestic thriller gripped my attention so completely.

This family saga revolves around a pair of cheating spouses. The husband's mistress is their coworker. Lies, jealousy, disappearances, and murder brew a perfect concoction. The fiery yet shady supporting characters add spice.

Across 360 pages, the author skilfully balances unexpected plot twists with raw emotions that leave your mouth agape. The disturbing element was that every single character was sus. You couldn't trust anyone until the last page.

Every subplot hits. The cover's dark, eerie, yet calm shade of blue matches the book's mood. I love a good thriller as much as the next person. This story managed to hold my attention. I am usually wary of long books. But the plot was so fast-paced that I hardly noticed as both time and pages flew by.

If untrustworthy characters, problematic relationships, contemporary settings, and tight writing are your cup of tea, you should take a chance on this book.
229 reviews
April 4, 2026
I recently finished Things We Shouldn't Do by Lindsey, and if I say this book kept me hooked, it’s an understatement. This is one of the thrillers I loved so much that I couldn't put it down. With the tension, betrayal, cheating, and twists, this book manages to keep me invested.

The story revolves around Halo, a professor who slowly realizes that the distance between her and her husband is not getting any smaller. So she confronts Constance, but everything goes in vain when Constance goes missing and everyone points fingers at Halo because she is the last person who fought with her.

What do you think happens next? When her husband accuses her of everything, will she prove herself innocent? To know more, you have to read this book.

The writing is simple. What I loved about this book is how human it feels. Everyone in the story feels shady, which makes this book so engaging.

I recommend this book to every thriller lover. If you love unpredictable twists, this book is for you. It's one of the best thrillers I read this year.
Profile Image for Ummehani Nalawala.
182 reviews2 followers
March 31, 2026
“Things we shouldn’t Do” by Lindsey Cacy, is a psychological thriller which will send chills down your spine.

The book revolves around a married couple which looks normal to the people around them, with a quiet life and entangled routines. But everything that appears normal to the eyes of world, may not necessarily be normal!

The book takes you on a journey where the past unravels, the events once kept hidden resurfaces and the truth is searched for.

When suspicion starts building up, even a small mistake may turn into unfolding of a dangerous truth. Based on the themes of toxic relationships, secrets within marriage, and consequences of impulsive decisions, this book is definitely a different read.

The author’s writing style is amazing where the truth is uncovered gradually and thus the readers doesn’t feel the need to absorb too much too quickly making the book an intriguing and gripping one!!
A must read…
25 reviews18 followers
April 3, 2026
Things We Shouldn’t Do by Lindsey Cacy wasn't a typical domestic thriller read, but it was so much more than that. It was more intense and emotional. From the start, I got the sense of tension and it just kept building. I couldn’t stop reading the book.
At it’s core, the story explores marriage,betrayal and fragile line between trust and suspicion. To others, it looked like a perfect relationship slowly unravels into complex and disturbing circumstances.
Lo’s character was amazing. She handled everything in her life in a way that made the story more suspenseful. I was always wondering about everything and everybody. I thought I had it all figured out, but I was totally wrong.
The writing was simple but haunting. The pacing allows every moment to breathe, making the eventual twists feel intense rather than rushed. I truly enjoyed the suspense building up in the story. You can definitely pick up this book if you enjoy suspense thrillers with emotional depths.
18 reviews
April 4, 2026
First of all I'm so glad that I found the writer of this book through such an amazing read...
I didn't expect this to catch my interest from the very first page..
I'm not suppressing any author's work ..but most of the thrillers out there especially....the famous writers also do not have such a gripping writing from the start page....
It takes at least 2 to 3 chapters to take the interest of the readers...
But thiss author...my audience...have some super power I tell u... amazing greatest read....the storyline...the twists and turns...the language...the way it makes the reader gasps....I'm like what the hell did it happen??
And the central plot of this novel is a toxic relationship...i mean what else could be better for me...?? 👀 ... anything talking about toxicity...I will be first in the line...!!
Not TO brag but...keep aside every other thrillers you have ...and PICKKKKKK thisssssss asssapp💃🏻💃🏻...
....
71 reviews
April 4, 2026
I just finished devouring Things We Shouldn't Do by Lindsey Cacy, and wow, I'm still reeling! 🤯 This thriller exceeded my expectations, keeping me hooked with its toxic relationship, cheating, and mysterious twists. The story revolves around Halo Roberts, a prof who's not as squeaky clean as she seems. One minute you're invested in the couple's seemingly perfect life, and the next, you're questioning everything.

The author's suspense game is strong.I was predicting plot twists left and right, but nope, I was way off! The continuous guessing kept me turning pages late into the night. If you love thrillers with mind-bending plot twists and toxic relationships, this book's a must-read.Trust me, you'll be hooked!

Would I recommend it? Absolutely, for fans of psychological thrillers with unpredictable twists. The writing's gripping, and the author's ability to keep you guessing is on point. One of the best thrillers I've read this year!
Profile Image for sahaneeya.
119 reviews6 followers
April 4, 2026
Things We Shouldn’t Do is a psychological thriller that quietly becomes into something far more unsettling. What begins as a story about a marriage that is dysfunctional to say the least, soon turns into a mix of suspicion, betrayal, and blurred boundaries. The book follows Halo, an university professor whose seemingly life begins to unravel after discovering secrets about her husband.
The author's ability to make every character feel unreliable, kept me constantly second guessing myself and guessing motives and outcomes. The tension builds sliwly, pulling you deeper into secrets, lies, and emotional turmoil. The twist doesn't feel forced, making the experience more immersive.
The writing is simple, focusing on the emotional aspect of the story. Relationships are portrayed well, showing how trust can fracture under pressure. The story left me questioning the characters’ actions, and my own belief of right and wrong.
178 reviews7 followers
April 6, 2026
Things We Shouldn't Do by Lindsey Cacy is one of those stories that slowly pulls you in and then refuses to let go.

What starts as a simple story about a troubled marriage quickly turns into something much more tense and unsettling. Lo felt real to me - her confusion, her quiet fear, and the way she keeps holding on even when things feel wrong. It’s not loud or overly dramatic, but that’s what makes it work. The emotions sit heavy, especially as suspicion grows and trust begins to crack.

I liked how the story takes its time. It builds slowly, almost like you’re uncovering the truth along with Lo. And just when you think you understand what’s happening, it shifts into something darker.

The idea that both partners carry secrets makes it even more interesting. It’s not just about betrayal, it’s about choices and consequences.

The cover deserves a mention too. The dark, foggy setting and those bold red letters perfectly match the eerie, tense mood of the story.
Profile Image for mithi._.reads.
195 reviews2 followers
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March 20, 2026
The book was so good. Storyline was very captivating. I was so hooked to know who did and how the person did it that I completed the book in 2 days only
So Halo is a professor also a wife of a professor in the same institution named John
One day she comes to know her husband is cheating on her and in anger of that she confronts him but he denies and she lefts the home to live with her friend
She later confronts the girl she cheated on with named Constance, she made fun of her abd the conversation got heated up and a huge scene/ drama was created
Later Constance went missing and because of all the drama in the institution all the suspicions were on Halo and John
Now, Constance is found dead
Everything that happens after this scene is pure roller coaster
I was wide eyed reading and all my theories were wrong at the end, I thought I know what's gonna happen but no nada, the author played
Loved the book 4/5 ⭐️ definitely
Profile Image for Daphny Aqua.
169 reviews11 followers
March 25, 2026
"Things We Shouldn't Do" by Lindsey Cacy is a book which at first started off as a wife suspicions over her husband, which then leads to confrontation then denial. Was she simply being paranoid or was she right to doubt him? What happens when she confronts the mistress? What happens when the mistress is found dead?

This book is more than an affair, much more than a love story. Do you think anyone deserves to die for having an affair and for also dating someone else under false pretence? How much can anyone bear? The pain, The betrayal and losing the only family you have. The book had me holding my breath till the end.

A much recommended book for all who love drama, suspense, betrayal and murder mystery.
Profile Image for The Book Times.
308 reviews10 followers
April 4, 2026
A book worth finishing in one sitting!!! And this is one such book that brought me out of my reading slump! And my favourite trope? Men fumbling in books (sadistic laugh 😈) The story is set around Halo Robert, aka Lo. She is a university professor who is amidst a family drama, when suddenly someone disappears and all eyes are on Lo.

Even before the action happened, I started having my doubts on every character 😂 which is comical. Paxton? Sus!! Jenna? Sus!! John? Oh I hated you from the very beginning. Not giving away any spoilers now. Hence I must say that the author has developed each character so well that you'll keep on guessing.

The writing was chef's kiss. It was slowly building untill the climax came. The plot was fast paced, enough for any thriller lover to devour this book.
Profile Image for Chhaya.
368 reviews6 followers
April 4, 2026

I dived into this book just because the title was intriguing and it didn't disappoint. From the first sentence, I was hooked on the story. It was a slow-burn mystery thriller with secrets, lies, betrayal, and numerous twists.

And let me tell you, I guessed every character except the one who was really behind all of that. It was written so well. I loved the friendship bond between Jenna, Sam and Halo. The characters were well-portrayed and vivid. I loved the writing style of the author. While reading, I realised it was so easy to read this one that the pages just flew by.

Overall, I'd definitely recommend this one to you if you enjoy a slow-burn mystery thriller that keeps you hooked from the first line itself and has an engaging plot twist.


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