How to get the most of cheating boyfriend?

Hey! I'm writing this as my cheating boyfriend is sleeping next to me. Huhuhuhu. Anyway, this isn't the first time I've caught him. While he was with me, he had two other long term gf and some other side chicks. I seriously don't know how he manages his time. I mean, we meet everyday! Breakfast, lunch dinner movie wtv and he even has a full time and part time job.

So we broke up for a while and got back together. He promised me he'd change. He even put our pictures on his facebook this time and even cooked for me. Told his family and friends about what he did to me too. Blablabla I knew too well not to trust him cause his exes and me got into his email and all and we found a lot of dirt.

I don't want to break up though. I'm not mad actually. He bought for me a camera and lets me use his spotify and netflix account. At one point he even gave me $500. I found out that some of the money he actually got from the other girls too but erm... wtv? I guess? Okay maybe no?

Bottom line is I don't want him to know that I know. I'm not going to take him seriously. Probably date another guy while the money is still rolling. First question is, how does anyone know like we are the important one out of the other girls and secondly, what can I do to get the most out of the relationship? Exposing him won't work. Tried it. He'll just move on to other girls and repeat the process. Like what can I really do so that I can hurt his ego and everything. Like really ruin his life without the violence and all. Any suggestions?