Let me start off by saying that I chose this for one reason: the blurb from Christina Lauren about not being able to put it down. (Yes, authors, blurbs do work!). Now had I known before impulsively requesting the book that it was previously Twilight Fanfiction, even I'll admit that I probably would have avoided it. Not that I really have anything against it anymore, but with the exception of Christina and Lauren, I haven't read any P2P books. Why? Most often, I loved the fic too much to let go of the original characters, and the one time I did try to read another, I kept comparing the two, so while I wanted to enjoy reading it, I couldn't. With this book? I had never read it in any form. I didn't even know until I was near the end that it even was fic at one time. So while I'm mentioning it here, I'm disregarding its previous life on the internets and focusing on the characters as I know them. 
 Cassie and Ethan. 
 From the very first page, Cassie hooked me. As soon as she proclaimed herself as something other than a lady, I identified with her. When she said she was shinier than the Chrysler Building, we were soul sisters in my heart. From there it wasn't just Cassie holding me, it was Ethan. It was their history, their chemistry, their possible (impossible) future. It was their spark (cliche, I know, but seriously it's what they had) when they were together. The way they tugged at each other's feelings and fought so hard. One pushing forward while the other took three steps back. That push and pull was exactly what I look for in a book like this. It made my heart hurt. It made me laugh. It made me want to hit things. It made for one hell of a good read. I literally did not put the book down until I'd read it cover to cover, and it's been a while since I've been able to do that. 
 My only complaint? My book ran out of pages. It had to be defective, because no possible way did it end there. I mean...I need to know how it ends!! Don't do this to me, authors.