Hi I need help so I came to reddit.

I hooked up with this guy for like four months this year. We ended things because we were both leaving for the summer and also because we felt like we were in this weird limbo between dating and hooking up. We haven't lost touch during the summer even after the "break up". I really just want to hook up with him and spend time with him because we are so so good together. My sorority is mixing with his frat the first day back at school and I want to go home with him (lol I'm desperate its been a couple months). Any advice on how to make this happen??