People with a sense of humor tend to be less egocentric and more realistic in their view of the world and more humble in moments of success and less defeated in times of travail.
Stammering is different than stuttering. Stutterers have trouble with the letters, while stammerers trip over entire parts of a sentence. We stammerers generally think of ourselves as very bright. My own private theory is that stammerers have so many ideas swirling around their brains at once that they can't get them all out, though I haven't found any scientific evidence to back that up.
The problem is that we live in an uptight country. Why don't we just laugh at ourselves? We are funny. Gays are funny. Straights are funny. Women are funny. Men are funny. We are all funny, and we all do funny things. Let's laugh about it.
The reason I'm a psychologist is based in part on my telephone routines. Much of my humor comes out of reaction to what other people are saying. A psychologist is a man who listens, who is sympathetic.
There are a lot of questions I keep asking myself about why I do comedy. I guess I laugh to keep from crying. And I guess if you ever get me crying, I might not stop. This is the way I look at tragedy or else I'll cry.