What looks absolutely fabulous in rehearsal can fall flat in front of an audience. The audience dictates what you do or don't change.
How many people can you claim truly care about you? I mean, not just the people in your life who are fun to hang out with, not just the people who you love and trust. But people who feel good when you are happy and successful, feel bad when you are hurt or going through a hard time, people who would walk away from their lives for a little while to help you with yours?