You don't need to give reasons for the things you do- you just have to do what you want. And sometimes the thing that seems messed up to everyone else is what's right for you. You have to do it and not be ashamed of it.
I think what I've come to now is, that fear is good; it's what life is about. You need to be afraid because fear gives you the strength to carry on important tasks.
The strangest part about being famous is you don't get to give first impressions anymore. Everyone already has an impression of you before you meet them.
I just happened to have enough time to be able to take other parts between those first few Twilight films. But it wasn't about proving to people that I had something else to give.