Tell a man that there are 400 billion stars and he'll believe you. Tell him a bench has wet paint and he has to touch it.
How come Superman could stop bullets with his chest, but always ducked when someone threw a gun at him?
Do infants have as much fun in their infancy as adults do in adultery?
How much deeper would the ocean be if sponges didn't grow in it?
Why buy a product that it takes 2000 flushes to get rid of?
Why do we wait until a pig is dead to "cure" it?
Why do we wash bath towels? Aren't we clean when we use them?
Why doesn't glue stick to the inside of the bottle?