Have you seen the commercial with the little boy who is so surprised about a something in his room he about passes out? You've seen it, it's a commercial for Fathead. Well, think Fathead but instead of wall, think toilet!
Going to the restroom is very different for men and women. Women tend to almost use going to the restroom as a social gathering, when one gets up to go, the others in that group will follow. It is a very different story for men.