Guy drama

So there’s this guy I’ve been speaking to for a while now. We met in September but kinda lost touch then found each other again in October. We’ve been together a couple times and the sex was 💣🔥💦 but we’ve not seen each other in a month because of university work piling up (we’re both on our final year) but we’ve got plans to see each other this week.

The problem is I went out and caught him out with another girl. We’ve not really defined what we are, and we’re definitely not exclusive so I couldn’t really get mad about it but it really upset me so I got drunk and hooked up with someone else before the guy I was seeing messaged me to tell me he felt really bad and to make sure I knew he hadn’t hooked up with anyone. I don’t know what to do because I really do like him but I’ve been messed around too many times before and now I’m afraid if he finds out I slept with someone else it’ll ruin any chance I have with him. He’s a really great guy, and perfect for me in so many ways but he can take forever to reply sometimes. When he does reply it seems like I’m the only girl he wants in his life but I just don’t know if I could ever trust another guy enough to date officially again after the hell I went through with my cheating ex-boyfriend who kicked me out of my own house.

Before anyone says it, I know I probably shouldn’t have slept with someone else if I like this guy but we aren’t exclusive so we should be free to explore other options, I just feel so shit about myself for doing it. The other guy wasn’t even that good so it truly is just a stupid mistake I regret now.