So, I don't remember if I read the original short story this was based on, but I have a pretty good idea what it was and what it wasn't. This is sufficiently similar but different so you don't need to read it first. I'm betting the changes to the initial scene are mostly to flesh out characters more for the rest of the story. 
 And these two are a hot mess. Heidi likes to write difficult characters who have real and touching flaws, and she's got a couple of winners here. Adam has some OCD tendencies which cripple him in certain situations. Denver dropped out of high school and feels like he's only seen as a stupid meathead because he enjoys working out and people only see his muscles. 
 Denver happens to save Adam from a bunch of drunk/high college guys who cornered him in the laundromat. They form a tentative connection. Denver realizes that Adam has some quirks, but rather than driving him away, as Adam expects, Denver finds him so interesting he can't stop thinking about him. Denver might not have book smarts, but he is kind, intuitive, and rather creative in his handling of Adam, which is just what Adam needs, because for whatever reason, his OCD listens to Denver. Neither can believe the other wants him, but they fill needs in each other. 
 This is a really sweet story of not judging a book by its cover, and not taking anything for granted, because what comes easy for one does not for another. I think we can all stand to be reminded of that. 
 4.5 stars. I'll round up when I determine rereadability. 
 Oh, I also want to note that I did not read the prior Tucker Springs stories before this one. Though there are a couple of characters from Second Hand in this book, I don't feel I lost out on anything by not having read their story first. It does make me want to read their story now, though. =)