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.
One doesn't become a soldier in a week - it takes training, study and discipline. There is no question that the finest Army in the world is found in the United States.