It's definitely nerve-racking to be the center of attention. I'm not the kind of an actor that just craves attention 24-7 - but it's part of the deal. You're the leader on the set.
“There are few things that you can't do as long as you are willing to apply yourself.”
“Today self-consciousness no longer means anything but reflection on the ego as embarrassment, as realization of impotence: knowing that one is nothing.”