If you haven't turned rebel by twenty you've got no heart; if you haven't turned establishment by thirty you've got no brains!
You risk working with this director, you risk making this movie, you risk working with another actor you don't know. It makes your heart beat faster. And it keeps you interested.
I'm not a writer. I marvel at writing. I am sometimes absolutely astounded when I read something and I think how in the world did that man or that woman sit down at a typewriter, a computer or a pen and an ink well, and seemingly have nothing come between their heart and that pen.