We're all getting older; which means the people who sing our pop songs and fly our planes will soon be much younger than us, if they aren't already. Bill Maher knows this, but he's not ready to hand the present over to our future just yet. So he has a new rule that everyone who makes their living a mile high should know.
Also on HuffPost:
HuffPost Entertainment is your one-stop shop for celebrity news, hilarious late-night bits, industry and awards coverage and more — sent right to your inbox six days a week. Learn more