Your friend asked you to look after her little brother. He was about nine years old. This little kid called you names and made you nervous. It was unpleasant to listen to insults and jokes. Yes, he is a child, but this is an excuse to say nasty things to an adult. Of course, you scolded him for such antics, but he just ran away from you, sticking out his tongue.

-I'll tell my mom everything!