When kids ride in the back seat of a car with their friends, they forget a parent is sitting behind the wheel listening to everything they say.

I was taking my daughter and her friend to school one day when I overheard the friend say she had walked in on her parents in the middle of doing, well, um... you know. The thing that horrified her the most was seeing that her father was wearing his CPAP mask.

"It was like watching Darth Vader having sex," she said.