You gain that through time, and through talking with ppl. Not just talking AT them but talking WITH them, so the convo works both ways. Both help each other, both gain trust. Friendship is based on trust and that's only gained through knowing somebody a while ...

I'm NOT saying you are like this, but I AM saying you can't expect people to be friends with you instantly. People aren't just 'friends' with somebody for no reason, there is always some reason ...