They always pull out at the last second (usually to avoid a child).
Going to Thailand with your own children
I don't need a lightbulb when I have the furnace ready.
They pull out on time.
Dunk your head in a bucket of water and pull it out twice.
Grover Cleveland. He was the twenty second President.
Second Caribou: A maybee.
Because she's dead
Avoid the insulation asbestos you can.
It was on a strict diet of worms. edit: changed pronoun to avoid ambiguity
Because little boys can't get pregnant.
A pimple waits until you're 13-years-old before coming on your face.