A man and a woman meet in an elevator. "Where
are you heading today?" the man asks.
"I 'm going down to give blood."
"How much do you get paid for giving blood?"
"Wow," says the man, "I'm going up to donate
sperm, and the sperm bank pays $100."
The woman angrily gets off the elevator.
The next day, the man and woman meet in the
"Fancy meeting you again. Where you off to
"Sperm bank," she says with her mouth full