Why do socks always lose one? Because when two are lost, you don't notice.

Why are old songs better than today's songs? Because the unappealing old songs don't get passed down.
Why is there no perfect crime? Because no one would ever know about a perfect crime.
Why don't adults picky eat? Because adults have the right to choose what they like, while children can only follow.
Why do developed countries have higher cancer rates? Because people in less developed countries die before they can get cancer.
Why have beauty and tragedy always gone hand in hand since ancient times? Because ugly people die early or late, and no one cares.