Inconsistent, lots of stuff (almost too much) packed into a novella-length, and several other issues leave this as just a "meh" read.
Those "other issues":
Emma (h). Wow, where to begin. She's very flighty and immature for a 21-year old looking at med school. Yes, 21 - do the math: 15 + 6 year relationship = 21. Which means she's a college Jr or Sr who's looking at med school but hasn't been working hard enough to realize that she doesn't do well with blood and trauma. She should have been volunteering (her friend has for several years). She should be taking upper level science courses (Zoology and A&P both have plenty of blood and gore in the labs). She should be at the point where she is taking the MCATs and polishing her resume for med school applications, not starting her resume. I was a Bio major myself and my college roommate was pre-med, so I know a lot of folk who've traveled this path. Emma just wouldn't have cut it with them, especially at a good school like UCLA. Very very flighty - like she was more excited about the idea of being a doctor than being aware of what it actually entails (did she really not know that residents and young doctors work 12 hr days and often have to nap at the hospital?)
Ryan (H). Umm... dude, she was your patient when you started hitting on her. Moving a little fast there. Also, she was a patient with a head injury having a seizure. No one looks their best then, so what the heck were you falling so hard for?
Codependency. Big dependency issues. Quite honestly, Emma needs therapy just as much as Eric does (though for obviously different issues). She states quite frankly that she has dependency issues, she and Eric were codependent, etc. Yet she's not even fully broken up with Eric before she's moving on to Ryan. "I feel so safe and protected." Because that's the way to avoid falling into another unhealthy relationship.
Insta-love/lust. They've known each other only a couple weeks, hung out maybe 3 times, and they are now professing their love and literally willing to die for each other. Too much.
Editing issues. Lots of places where a phrase or sentence looks like it wasn't deleted after the author decided to reword a paragraph. You end up reading repeated sentences or phrases that really shouldn't be there. Plus, oh-so-many word issues. Malapropisms, incorrect usage, incorrect homophones, however you want to phrase it. Things like passed vs past, or lighting vs. lightning.
FYI - if you're sensitive to domestic violence, it's a key plot point here.
On the plus side: quick read, free on kindle, closure (if not a full HEA). And the cheating... it's not nonexistent, but it's very minimal. Technically she was trying to break up with abusive bf, while she was also starting things with Ryan. So take it for what it's worth.
Bottom line: Will I read Jason's story, or any others that follow? Nope.