I met my ex in my freshman year of college. i rejected him at first but then in March a few years ago i decided to go out with him. our relationship lasted over a year. we broke up because it was very unhealthy and there was no trust. after we broke up, we hooked up at random times but ended it because people found out or he did the same nasty things again so i couldn't deal with it.
Recently, this school year, he contacted me and we decided to get together. he had a girlfriend but we still had the subtle coffee conversation at starbucks. after that we hung out a few more times until he invited me over at his girlfriend's apartment (where he was staying). we ended up having sex... in her bed, and it was honestly 50% amazing, 50% WTF. We decided to keep doing it and we did it several other times in her bed again, at my apartment, and his apartment. At first, it was just casual by not kissing goodbye or holding hands. He was still with his girlfriend when he kept on lying and bailing on me for his friends or her. I told him I didn't mind him being with her but he didn't have to lie since we weren't together. Gradually after a few months, we started kissing each other goodbye, holding hands, cuddling, and hanging out longer after having our rendezvous. Also, we have hung out at bars a few times with him and his friends. he has texted me from every couple days to every day now. Now they are not just about sexual stuff or meeting up to hook up. Before I left for break, we had lunch before we did it again. We have texted everyday over winter break. he keeps saying he isn't happy with her but who knows. This has been going on for 6 months now. Will I ever be able to overcome being the "other" girl and find a relationship worth having?