How do you move on from a relationship where he cheated on you but you're still in love with him?

Do you have any love for yourself? You are going to have to make a decision to stop hurting yourself first. If its over and it seems from your question that it is over please stop beating yourself up asking why you are not good enough. Dont hop into any kind of relationship right away but take a good look at your life. Find the things you love about you I know its hard but you must move on. Keep growing if possible take a class work out. Dont decide that this is it YOU WILL LOVE AGAIN! give yourself time to heal dont beg him back or do things to manipulate him. There is somebody for everyone including you.