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Bonded by Evolution: What We’ve Got Wrong About Love and Connection
A ground-breaking look at the science of love and connection – and an urgent corrective to some of our most fundamental assumptions about attraction.
'In a world saturated with cynical advice about dating and gender, this book is a revelation . . . Bonded by Evolution is rigorous science written with warmth and moral clarity.' DANIEL H. PINK, author of Drive and The Power of Regret
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We’re told that what men and women desire from relationship is different – he’s looking for novelty, she’s looking for commitment; he’s concerned with looks, she’s concerned with status.
We’re told that we live in a hierarchy of romantic inequality – where some are 10s and others are 2s; where some people are marriage material and others are wired for promiscuity.
But this narrative is unscientific.
Such ideas have their roots in a branch of science called evolutionary psychology, and over the past few decades its ideas have permeated our culture and fuelled a narrative that inspires despair and anxiety – and, in its most extreme form, these ideas have been hijacked in the service of misogyny and violence.
But the truth about human attraction – and the way evolution plays out in our romantic lives – is much more interesting and optimistic.
Bonded by Evolution offers a radical new picture of the roots of enduring chemistry. Distilling evolutionary biology, anthropology and psychology and informed by his pathbreaking research and original experiments at the Attraction and Relationships Research Laboratory in California, psychology professor Paul Eastwick reveals how attraction is best depicted as a process of finding – and, often, creating – a compatible relationship.
Once we understand how ancestral humans sought compatible partners in small networks, we can build a clearer – and brighter – picture of how attraction, sex and relationships really work.
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'Profound and pragmatic, suggesting an entirely different approach to the study – and pursuit – of love.' ERIC KLINENBERG, co-author of Modern Romance
'Rarely have scientific rigor and exuberant optimism been such congenial companions . . . Bonded by Evolution presents an optimistic new paradigm, one that provides clear guidance for romantic success.' ELI FINKEL, author of The All or Nothing Marriage
'In a world saturated with cynical advice about dating and gender, this book is a revelation . . . Bonded by Evolution is rigorous science written with warmth and moral clarity.' DANIEL H. PINK, author of Drive and The Power of Regret
---------------------
We’re told that what men and women desire from relationship is different – he’s looking for novelty, she’s looking for commitment; he’s concerned with looks, she’s concerned with status.
We’re told that we live in a hierarchy of romantic inequality – where some are 10s and others are 2s; where some people are marriage material and others are wired for promiscuity.
But this narrative is unscientific.
Such ideas have their roots in a branch of science called evolutionary psychology, and over the past few decades its ideas have permeated our culture and fuelled a narrative that inspires despair and anxiety – and, in its most extreme form, these ideas have been hijacked in the service of misogyny and violence.
But the truth about human attraction – and the way evolution plays out in our romantic lives – is much more interesting and optimistic.
Bonded by Evolution offers a radical new picture of the roots of enduring chemistry. Distilling evolutionary biology, anthropology and psychology and informed by his pathbreaking research and original experiments at the Attraction and Relationships Research Laboratory in California, psychology professor Paul Eastwick reveals how attraction is best depicted as a process of finding – and, often, creating – a compatible relationship.
Once we understand how ancestral humans sought compatible partners in small networks, we can build a clearer – and brighter – picture of how attraction, sex and relationships really work.
---------------------
'Profound and pragmatic, suggesting an entirely different approach to the study – and pursuit – of love.' ERIC KLINENBERG, co-author of Modern Romance
'Rarely have scientific rigor and exuberant optimism been such congenial companions . . . Bonded by Evolution presents an optimistic new paradigm, one that provides clear guidance for romantic success.' ELI FINKEL, author of The All or Nothing Marriage
331 pages, Kindle Edition
First published February 10, 2026
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Displaying 1 - 21 of 21 reviews
January 29, 2026
Pushing back against the 90s-00s buzzy and hijacked "EvoScript" (evolutionary psychology), Professor Paul Eastwick of UC Davis cuts through the pop psychology take on relationships to share the most up to date science of relationships.
Essentially, this book takes the reader through science backed explanations of how meaningful relationships are formed through community networks, authenticity and time v. just some numbers and ratings game dating apps would have singles spend money on. Without spoiling the main points, Eastwick shares that perceived "mate value" is fleeting but relationships are built on compatibility and being a communal person and good partner. He provides evidence to push against the myth of traditional gender views and even provides guidance on how to effectively date in the modern age without losing hope.
Remarkably, Eastwick achieves all of this while also fighting toxic masculinity without his voicing becoming preachy.
That said, this is not a self-help book in the traditional sense. It's a reality check for singles, presenting the facts and advice in an effectively accessible way without being patronizing.
I honestly hope this book becomes a best seller because it deserves to be. Not just because it's interesting, but because I think it truly has the power to make people more loving of themselves, their partners (current or future) and their communities.
Essentially, this book takes the reader through science backed explanations of how meaningful relationships are formed through community networks, authenticity and time v. just some numbers and ratings game dating apps would have singles spend money on. Without spoiling the main points, Eastwick shares that perceived "mate value" is fleeting but relationships are built on compatibility and being a communal person and good partner. He provides evidence to push against the myth of traditional gender views and even provides guidance on how to effectively date in the modern age without losing hope.
Remarkably, Eastwick achieves all of this while also fighting toxic masculinity without his voicing becoming preachy.
That said, this is not a self-help book in the traditional sense. It's a reality check for singles, presenting the facts and advice in an effectively accessible way without being patronizing.
I honestly hope this book becomes a best seller because it deserves to be. Not just because it's interesting, but because I think it truly has the power to make people more loving of themselves, their partners (current or future) and their communities.
February 16, 2026
4 / 5 ⭐
I decided to purchase this book mainly because I really enjoy listening to the 'Love Factually' podcast every week that the author of this book hosts. I'm also interested in the topic of how personal relationships work from an evolutionary perspective. If these topics sound interesting to you, I wager that you'll enjoy Bonded by Evolution, too.
Keep in mind that there are many scientific references throughout the book, and it can get pretty nerdy at times. But overall I'm glad to have purchased it, even if towards the end I lost some interest on the topics covered in this book, mostly due to the fact that there's so much information.
Happy reading 📚
I decided to purchase this book mainly because I really enjoy listening to the 'Love Factually' podcast every week that the author of this book hosts. I'm also interested in the topic of how personal relationships work from an evolutionary perspective. If these topics sound interesting to you, I wager that you'll enjoy Bonded by Evolution, too.
Keep in mind that there are many scientific references throughout the book, and it can get pretty nerdy at times. But overall I'm glad to have purchased it, even if towards the end I lost some interest on the topics covered in this book, mostly due to the fact that there's so much information.
Happy reading 📚
February 23, 2026
The best book I’ve read on the science of relationships. It debunks modern myths in a way that’s enjoyable and accessible, and genuinely changed how I think about human connection. Highly recommended.
February 21, 2026
In Bonded by Evolution, Paul Eastwick provides a refreshing, evidence-based antidote to the "folk wisdom" and pseudo-science that often plague the dating industry. While many evolutionary psychology texts lean heavily on rigid, prehistoric archetypes, Eastwick brings the conversation into the 21st century by focusing on how our evolved brains navigate the specific hurdles of the modern age.
The Myth of the "Algorithm"
For many readers—and certainly for single clients frustrated by digital dating—the highlight of this book is Eastwick’s clinical dismantling of online dating algorithms. He convincingly argues that while apps are excellent at providing access to a large pool of candidates, their "matching" capabilities are largely illusory.
The data suggests that compatibility isn't something that can be predicted by a spreadsheet of personality traits or shared hobbies before two people meet. Instead, Eastwick posits that attraction is a dynamic, dyadic process that only begins to take shape once two people are in the same room.
Fresh Insights into Mate Selection
The book shines in its exploration of the what and how of selection. Eastwick moves beyond the "shopping list" mentality (where we think we know what we want) to show that our "stated preferences" rarely align with our "in-vivo" choices. This gap between who we think we should be with and who we actually bond with is a crucial takeaway for anyone looking to understand the mechanics of long-term attachment.
Why It’s a Must-Read for Clinicians
As a psychotherapist, you will find this an invaluable resource for clients who feel "broken" by the modern dating cycle. It provides a grounded framework to help them:
• Manage expectations regarding app success.
• Pivot focus from checking boxes to experiencing the "relational spark."
• Reduce self-blame by understanding the evolutionary hurdles of finding a mate in a high-choice environment.
Final Verdict: While the academic depth might be dense for a casual reader, it is gold for the intentional dater or the professional counselor. It replaces the "magic" of dating with the "mechanics" of human connection.
The Myth of the "Algorithm"
For many readers—and certainly for single clients frustrated by digital dating—the highlight of this book is Eastwick’s clinical dismantling of online dating algorithms. He convincingly argues that while apps are excellent at providing access to a large pool of candidates, their "matching" capabilities are largely illusory.
The data suggests that compatibility isn't something that can be predicted by a spreadsheet of personality traits or shared hobbies before two people meet. Instead, Eastwick posits that attraction is a dynamic, dyadic process that only begins to take shape once two people are in the same room.
Fresh Insights into Mate Selection
The book shines in its exploration of the what and how of selection. Eastwick moves beyond the "shopping list" mentality (where we think we know what we want) to show that our "stated preferences" rarely align with our "in-vivo" choices. This gap between who we think we should be with and who we actually bond with is a crucial takeaway for anyone looking to understand the mechanics of long-term attachment.
Why It’s a Must-Read for Clinicians
As a psychotherapist, you will find this an invaluable resource for clients who feel "broken" by the modern dating cycle. It provides a grounded framework to help them:
• Manage expectations regarding app success.
• Pivot focus from checking boxes to experiencing the "relational spark."
• Reduce self-blame by understanding the evolutionary hurdles of finding a mate in a high-choice environment.
Final Verdict: While the academic depth might be dense for a casual reader, it is gold for the intentional dater or the professional counselor. It replaces the "magic" of dating with the "mechanics" of human connection.
February 11, 2026
This was an enjoyable, fun-to-read book that provides an interesting look at couples, relationships, and bonding. It's written at a level that makes it accessible to most readers without being too simplistic. I like reading popular science books and this one stands out as one that's more thoughtfully written, as it's both detailed and easy to follow.
When I first started the book, I was a bit worried that it would focus too much on heterosexual relationships, but there was representation of others throughout. The book includes lots of interesting research and anecdotes, and several times I found myself thinking, "of course, that makes sense!" I especially liked the part about the two women who became more than friends after going through some hard times together.
The author did a great job explaining how the typical generalisations about attraction are not true, showing instead how attachment actually develops over time. This is something we see in everyday life: attraction grows out of ordinary shared experiences rather than a fixed list of 'ideal' traits that we look for in a partner. I also liked that the author used examples from popular films that most readers can likely connect with.
I wasn't interested in the parts comparing humans to other apes. While this might be interesting to some people from a biological perspective, they felt a bit less central to the book's main focus.
This book will hopefully encourage people to reconsider common assumptions about this topic.
When I first started the book, I was a bit worried that it would focus too much on heterosexual relationships, but there was representation of others throughout. The book includes lots of interesting research and anecdotes, and several times I found myself thinking, "of course, that makes sense!" I especially liked the part about the two women who became more than friends after going through some hard times together.
The author did a great job explaining how the typical generalisations about attraction are not true, showing instead how attachment actually develops over time. This is something we see in everyday life: attraction grows out of ordinary shared experiences rather than a fixed list of 'ideal' traits that we look for in a partner. I also liked that the author used examples from popular films that most readers can likely connect with.
I wasn't interested in the parts comparing humans to other apes. While this might be interesting to some people from a biological perspective, they felt a bit less central to the book's main focus.
This book will hopefully encourage people to reconsider common assumptions about this topic.
April 4, 2026
I received a copy of this book for free in a Goodreads giveaway.
I haven't really read relationship books before, but I was both entertained and educated by this fairly short yet dense book. It covers a lot of ground about the science behind relationships as well as common myths about them, and it even includes actual suggestions for getting into a relationship and improving existing ones.
The book convincingly proves a lot of myths about dating wrong, like differences between genders that are exaggerated, or that there are people who are better for hookups and others who are "marriage material." It presents scientific research alongside relatable examples and anecdotes, which made the reading experience a lot more enjoyable and easy to follow.
I also appreciated that the book mentions the positive aspects of non-romantic relationships, as well as how evolutionary psychology has inadvertently given rise to more toxic masculinity and the "manosphere." Helpfully, the book includes suggestions on improving existing relationships, trying to fix thinking that leads to this manosphere mess, and even creating more opportunities to enter into a relationship. It is critical of the incel community and toxic masculinity but not in a preachy way, and offers actual science to back up the criticism.
If there were one thing I wished this book had more of, it's more focus on LGBTQ+ relationships. The book does mention same-gender relationships quite a bit and even says that there's much to be learned from them, but it's clear that most research focuses on opposite-gender relationships, which makes sense since they're a majority. This is perhaps a selfish wish, though, and the book does an admirable job of covering relationships and connection in general.
The author has done an admirable job in exploring relationships and connection, dismantling common myths, explaining which factors are important in compatibility and which aren't, and even including suggestions for successfully entering into a meaningful relationship. I learned a lot of things from this book, and it's written in an accessible, entertaining way while also including a lot of real research.
I haven't really read relationship books before, but I was both entertained and educated by this fairly short yet dense book. It covers a lot of ground about the science behind relationships as well as common myths about them, and it even includes actual suggestions for getting into a relationship and improving existing ones.
The book convincingly proves a lot of myths about dating wrong, like differences between genders that are exaggerated, or that there are people who are better for hookups and others who are "marriage material." It presents scientific research alongside relatable examples and anecdotes, which made the reading experience a lot more enjoyable and easy to follow.
I also appreciated that the book mentions the positive aspects of non-romantic relationships, as well as how evolutionary psychology has inadvertently given rise to more toxic masculinity and the "manosphere." Helpfully, the book includes suggestions on improving existing relationships, trying to fix thinking that leads to this manosphere mess, and even creating more opportunities to enter into a relationship. It is critical of the incel community and toxic masculinity but not in a preachy way, and offers actual science to back up the criticism.
If there were one thing I wished this book had more of, it's more focus on LGBTQ+ relationships. The book does mention same-gender relationships quite a bit and even says that there's much to be learned from them, but it's clear that most research focuses on opposite-gender relationships, which makes sense since they're a majority. This is perhaps a selfish wish, though, and the book does an admirable job of covering relationships and connection in general.
The author has done an admirable job in exploring relationships and connection, dismantling common myths, explaining which factors are important in compatibility and which aren't, and even including suggestions for successfully entering into a meaningful relationship. I learned a lot of things from this book, and it's written in an accessible, entertaining way while also including a lot of real research.
March 17, 2026
4.5, really enjoyable, deserves more attention, and hopefully a larger second printing.
I should have so much to say, I constantly talk with and texted my friends about ideas in this book. Some ideas were so obvious, but, running counter to messaging from the 90's, seemed revolutionary.
I think different parts of this book will stand out to different people. Personally I loved the academic drama, and evoPsych slander! But I think, regardless of the specifics you take out of this book, the broader message is clear: We should be positive and optimistic about relationships. Also tinder is full of narcissists, men and women can (and should!) be friends, hypergamy is uncommon, what people want in partners and relationships is probably less gendered than we think, and the key to relationships is compatibility, which we know very little about, and (so far) cannot be predicted? At least there are still some mysteries still out there! Now lets see how hard these lessons are to apply...
I should have so much to say, I constantly talk with and texted my friends about ideas in this book. Some ideas were so obvious, but, running counter to messaging from the 90's, seemed revolutionary.
I think different parts of this book will stand out to different people. Personally I loved the academic drama, and evoPsych slander! But I think, regardless of the specifics you take out of this book, the broader message is clear: We should be positive and optimistic about relationships. Also tinder is full of narcissists, men and women can (and should!) be friends, hypergamy is uncommon, what people want in partners and relationships is probably less gendered than we think, and the key to relationships is compatibility, which we know very little about, and (so far) cannot be predicted? At least there are still some mysteries still out there! Now lets see how hard these lessons are to apply...
March 9, 2026
The first half or so of the book is commendable but a bit boring in that it's mostly about deflating myths which are popular in the manosphere/incel community and I do not really interact much with these. The science about how people meet and find compatible partners was interesting and it was explained just enough to get an idea of how solid the finding might be.
Most examples and arguments are about cishet relationships. The LGBTQ+ case is considered but mostly shown as a model to follow (as per the seminal article "The Friends-to-Lovers Pathway to Romance: Prevalent, Preferred, and Overlooked by Science"). I was looking for some advice and instead I'm told we're the experts, sob.
In terms of practical advice, there is some which boils down to: interact with more people in person. Very sensible.
Most examples and arguments are about cishet relationships. The LGBTQ+ case is considered but mostly shown as a model to follow (as per the seminal article "The Friends-to-Lovers Pathway to Romance: Prevalent, Preferred, and Overlooked by Science"). I was looking for some advice and instead I'm told we're the experts, sob.
In terms of practical advice, there is some which boils down to: interact with more people in person. Very sensible.
March 27, 2026
Amazing book!! Well written and makes scientific research easy to understand and accessible. It is every bit as grounded on evolutionary theory as mainstream evo psych narratives, while reaching very different conclusions. And those conclusions fit the data better, integrating and explaining evidence from both evolutionary psychology and close-relationships research.
This book revolutionizes cultural narratives around attraction and relationships. Must read!! Especially for understanding relationships, but also for pushing back against misogyny and incel culture at a time when many young men are being drawn into such narratives.
If there is one book to read on the topic, it's this one.
This book revolutionizes cultural narratives around attraction and relationships. Must read!! Especially for understanding relationships, but also for pushing back against misogyny and incel culture at a time when many young men are being drawn into such narratives.
If there is one book to read on the topic, it's this one.
May 1, 2026
I knew I wanted to read this book because of how much I adore the Love Factually podcast that Paul Eastwick cohosts with Eli Finckel. And it did not disappoint. I just find the kind of research Eastwick describes immensely fascinating. On a more personal level, I find myself in need of Eastwick’s optimism about the ability of many people to find and sustain love in a world where so many people are increasingly cynical about dating.
March 4, 2026
This book is a triumph. Witty, compelling, and scientifically accurate, it takes the reader through the best of what psychology research currently has to offer in terms of understanding of romantic love. The book also dismantles some of the worst myths about dating, romance, and gender. I can't recommend it enough.
Review of advance copy
Healthily undid a lot of the unhealthy thinking I’ve absorbed about connection and compatibility. Successfully deinfluenced.
Review of advance copy received from Goodreads Giveaways
This book of Bonded By Evolution: The New Science of Love and Connection by Paul Eastwick is a riveting read to explore.
February 22, 2026
An illuminating, level-headed take on finding a long-term match. The science on close relationships is reassuringly more aligned with what we all hope to be true, i.e., compatibility is more important than superficial partner features, which has important implications for dating.
March 16, 2026
Super interesting, accessible, enjoyable nonfiction read. I especially appreciated explicit discussions of the manosphere
March 17, 2026
admirable effort to move the needle in psychology research and popular understandings of relationships, though for me, the only parts worth reading were the intro and part 2.
March 26, 2026
The evolutionary aspects of attraction were interesting, but this book is definitely aimed at single people.
April 28, 2026
Can’t wait to tell my single friends: “Well actually, I’ve read this book, and it said that…”
April 30, 2026
The science and personal embellishment were insightful; the self-help components a bit repetitive.
May 2, 2026
Balanced, a 4/5 because it sometimes over rotates on the science
May 4, 2026
I started skimming near the end. A lot of common sense.
Displaying 1 - 21 of 21 reviews