Comes in Threes, Book #1

Heat Factor: Holy Motherforking Shirtballs
Character Chemistry: I like to have sex with him, and you like to have sex with him, and I like to have sex with you, so how about we all have sex together? That sounds fun, right?
Plot: How can I be attracted to two people? Now how can this possibly be a fling between three people? Now I can’t possibly make myself vulnerable enough to be in a relationship, right?
Overall: OMG so many happy feels!