Answer:
Diamonds and stress have this to thank for their existence.
Why do scuba divers fall backwards into the water?
What does a dyslexic agnostic insomniac do on his free time?
Arnold Schwarzenegger has a big one, Michael J Fox has a small one, Madonna doesn't have one, The pope has one but he never uses it, Bill Clinton has one and he uses it all the time! What is it?
What's red and white and goes up and down and up and down?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk