Yeah I'll bet you try to think of something to say and either nothing comes out or something really weird comes out. Been there... I come back every other day... It's hard to give exact advice because everyone has different reasons for these things happening.
But your grandmother is right. They tend to be right about everything...


I think if you just concentrate on having fun with people then you won't really have that problem - or it won't be as bad anyway. Worrying about things makes it harder for us to be ourselves that's all.
And don't stop posting.