(((((((A_Long_Ways))))))))

Do you see a therapist? If not, maybe you could consider it. Part of getting through depression and heartbreak is being able to talk about what you're feeling, and it sounds to me like you really don't have anyone to talk to right now. I don't think that "rebound" relationships are a good idea and probably won't wind up healing you anyway. But you can focus on making friendships, which can be just as deep as romantic ones. You don't have to go out to places where there'd be a lot of couples -- depending on what you're interested in, you could join a sports team, the library, maybe learn an instrument or take a class ... anything to get yourself up and moving, doing anything. After a breakup we tend to start hating everything -- ourselves, our lives -- and we feel incomplete because of the person we lost. The way I look at it, I don't want someone to be my "better half" because I want to be a complete person all on my own. I'd rather have someone who compliments me, and we can be two whole people together. In the meantime, I do what I can in order to be as whole as I can.