"Anger Management" is lucrative spin control disguised as a lazy, unfunny comedy. Charlie Sheen is doing something for himself and his corporate partners. He's being paid to play a character who achieves some kind of personal growth.
We can gain vital information about ourselves and what we believe about the world when we look honestly at our anger. But when we react unconsciously, repress our anger or get caught up in it, it becomes counterproductive and negatively affects our health and relationships.
When you find yourself short-tempered and on edge with co-workers, family or friends, instead of acting out, see if you can locate where the emotional pain and stress are most palpably present in your body.