My ten-year-old daughter always rushed to the bathroom as soon as she came home from school. As I asked, “Why do you always take a bath right away?” she smiled and said, “I just like to be clean.” Yet, one day while cleaning the drain, I found something.

My daughter Sophie is ten, and for months she followed the same pattern every single day: the moment she walked in from school, she dropped her backpack by the door and hurried straight to the bathroom.   At first, I brushed it off as a phase. Kids get sweaty. Maybe she didn’t like feeling grimy…