I haven't really delved into surreal literary horror like this before. Based off the blurb I saw this going one way and couldn't have seen where this was headed. I had a quick reaction of WHAT THE FUCK DID I JUST READ so I am understanding more of the polarizing reviews.
I think this is an interesting book because I really wasn't rooting for anyone except Jake (the roommate). Remy and Alicia are obsessed with Jen, one of Remy's old coworkers. They turn on post notifications, look at Jen's photos together, and even incorporate Alicia-as-Jen into their sex life. Remy would be the guy you know but would never want to hang out with ever. Alicia is very much a stand in and disappointment to Remy by simply not being Jen. In many ways they perpetuate the worst qualities about one another.
I won't go into much more but I can see now why this book gets recommended. This certainly won't be a book I will forget.