If your sister hits you, don't hit her back. They always catch the second person. Never ask a 3-year old to hold a tomato. Don't wear polka-dot underwear under white shorts. 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. You can't trust dogs to watch your food. That Adults Have Learned 1.