Give me the title please.

2 University students that are neighbors in a rundown apartment. Due to the thin wall, Student 1(male) hears every sounds (moans of every girl he bang) coming from Student 2. That student 2 was rumored to be a gigolo and that student 1 is inlove with his bestfriend. Then story happens.................................. One time, the bestfriend of student 1 borrow the room of student 1. Then student 1 asked student 2 to let him stay in his apartment for a while. Then story goes on........

goooodness. I've been searching for the title for 48 yrs. I've read this story for ages. I want to reread it.
Please comment if you know the title.