It's mainly about working hard and proving to people you're serious about it and stretching yourself and learning. The mistake a lot of actors make particularly young ones is allowing themselves to feel that they're the finished articles the bee's knees and it's not true.
There's a lot of thought in art. People get to talk about important things. There's a lot of sex you know in art. There's a lot of naked women and men and there's intrigue there's fakery. It's a real microcosm of the larger world.