1. Eating crusts gives you curly hair
2. If you eat a watermelon seed, a watermelon will grow out of your bellybutton.
3. Putting butter on a burn.

4. If the palm of your right hand itches it means you will soon be getting money.
If the palm of your left hand itches it means you will soon be paying out money.
5. Waiting a half hour after eating before going swimming.