It doesn't have to be a contract, it can just be trust, of the same type that people use to tell friends their personal feelings or whatever. If you know someon

It doesn't have to be a contract, it can just be trust, of the same type that people use to tell friends their personal feelings or whatever. If you know someone's who's a gossip, they might be fun to talk to but you wouldn't tell them you cheated on your wife because you don't trust them in that way.