The only advice I can give you is that you need to be honest with yourself and with him. I think you did the right thing. You don't want to be hanging around in a relationship where you both want different things. The longer time you are in a relationship like that, the more likely you are to take an even bigger fall. Hopefully, he'll come back and decide to give it a try, but if he doesn't, it's better to know now than find out further down the line.