I'm an angry person, angrier than most people would imagine, I get flashes of anger. What works for me is working out when it's useful to use that anger.
“I never studied art, but taught myself to draw by imitating the New Yorker cartoonists of that day, instead of doing my homework.”
“Acting in 'Star Wars' I felt like a raisin in a giant fruit salad, and I didn't even know who the cantaloupes were.”