Reminds me of the joke about driving thru the desert with a friend.

He had to go potty and pulled over the car, got out an walked a fed steps, turned around and said he needed some TP. None in the car so I told him to use a dollar.

He does his business, but comes back to the door flicking his hand up and down.

He gets in and says he got poop on his hand, I remind him that I told him to use a dollar.

He says, "I did, the first three quarters worked fine, I ran into trouble with the two dimes and nickel......"