The dentist pulls it out when it hurts.
The kids walked out of Ice Age 4... Alive
Because he didn't know the difference between Jose and Hose B.
They pull out on time.
Some douchebag forgot to pull it out in time.
A group of dentists who work together.
L'Hospital.
A women will normally want more children after a year or two. No man has ever wanted another kick in the balls. Case closed.