Answer:
It increases and decreases yet no one see it. It is not a fire and yet it can be quenched.
What is it that no man wants, but no man wants to lose?
A ham Sandwich walks into a bar and orders a beer, and the bartender says?
George walked for thirty minutes in the pouring rain without getting a single hair on his head wet. He didn't have a hat or an umbrella and his coat had no hood. How did he do that?
Where does a snowman keep his money?
The more of me you take, the more I appear behind you. What am I?