Anger. It is a common emotion at all ages which can run the gambit from feeling a little peeved to homicidal rage. Plato said, There are two things a person should never be angry at, what they can help, and what they cannot. Aristotle said, Anybody can become angry - that is easy, but to be angry with the right person and to the right degree and at the right time and for the right purpose, and in the right way - that is not within everybody's power and is not easy. Indeed, to feel anger is a healthy emotion. If one represses anger habitually, it is as a kettle that is being heated without...