I am concerned about the size of my penis. When I was about 15 years old, a boy in my school's changing room made fun of me for having a small penis. I felt very embarrassed. Until then, I had never thought or realized that it was important. It appears to be something that the media finds funny and makes me feel like less of a man. The word "manhood" is a way of saying desirable masculine qualities are linked to having a large penis. I...