So they know where to stop shaving
Grandpa: Oh you know with my hands mostly.
It's 2:00 in the morning. Her: I don't know. Do burglars knock Me: It depends on how they were raised...
Stop laughing and reload
Motorist: The light just turned yellow.
Hexagon.
A retarded gorilla. (Can be modified to offend any nationality or group)
A: Because she grew out of her B shells.
Algae-bra.
Because he's no good at shaving.
So they know where to stop shaving.