The 50-50-90 rule: Anytime you have a 50-50 chance of getting something right, there's a 90% probability you'll get it wrong
What's one of the worst things about giving a man a blow job? The view.
The less skilled the player, the more likely he is to share his ideas about the golf swing
If sex is such a natural phenomenon, how come there are so many books on how to do it?