Work hard. And have patience. Because no matter who you are, you're going to get hurt in your career and you have to be patient to get through the injuries.
I do all kinds of roles - nerd, psycho, nerd, psycho, nerd, psycho - and occasionally someone kind of normal. It's weird, when I lived in Austin I was always cast as pretty normal people. But when I moved to Los Angeles I was immediately branded a psycho.