There are a lot of things that make up a performance a lot of technical things. It isn't always just about pulling it up from the darkest recesses of your mind or your heart. It's your experience and your observation.
Acting the arts in general is a magnet for the wounded of society.
It evolved from my experience in the fifties growing up during the McCarthy...
I never really loved school through junior high but then I started running track my freshman year and I was just like 'Wow this is cool!'