I'm shy and can't for the life of me barge around and slap people on the back. I sit in a corner by myself and am tickled to death when someone comes over to talk to me.
It is extremely dangerous to talk about limits or borders. It is vital, instead, that we remain completely open, that we are always involved, and that we aim to contribute personally in social events.
People who believe they have the power to exercise some measure of control over their lives are healthier, more effective and more successful than those who lack faith in their ability to effect changes in their lives.