I think it has to do with working in the medical field for nineteen years. When you deal with life and death issues, your sense of the comical gets a little warped. What is funny to a nurse or doctor, would not be to the lay person. So that helped me see the comical in most situations. There are always situations that have no humor.
Abuse is one that comes to mind.
There is never any kind of humor or funniness in abuse. But many situations are funny without trying to be. I remember a few years ago when my hair was grey, I was very happy with it. I had a beautician who thought grey was ugly and talked to me for months about reverse frosting, putting in a little dark color to give my hair depth. As it happened, I was to leave for a speaking engagement in two days on the day I went in for a haircut.