A guy goes into a pharmacy to purchase condoms. What size? asks the chemist. I don`t know, never new there was sizes, says the guy. Go into the back shop, there is a board on a stand there, with various size holes. See which one you require. 15 mins later, and the guy has not come out. The chemist pokes his head in the door and asks, What size. The guy replies, "To hell with the condoms, how much do you want for the board.