If your sister hits you, don't hit her back. They always catch the second person. You can't trust dogs to watch your food. Reading what people write on desks can teach you a lot. Don't sneeze when someone is cutting your hair.
Puppies still have bad breath even after eating a tic tac.
Never hold a dustbuster and a cat at the same time. School lunches stick to the wall. You can't hide a piece of broccoli in a glass of milk. Don't wear polka-dot underwear under white shorts. No matter how cute the underwear is.