I never dreamed that I would hear 10,000 people screaming when I stepped out onto a stage. Well, that's not entirely true. I dreamed about it but in a performing-on-the-stage-at-Staples-Center-or-Madison-Square-Garden context. But never in a I'm-in-a-movie-that-hasn't-even-come-out-yet one.
It was only when I finished the course and left my graduation diploma on the bus that I realised I'd become an actor.
Some people like you, some people don't. In the end you just have to be yourself.