One. He puts the bulb in and lets the world revolve around him.
flashback to me giving him the keys to the car to get more beer* ME: I let him outside.
Nothing, he's been told twice already. (And be cool, if you get the reference keep quiet and let em wonder.)
A: It takes two. One to change the bulb and the other to kick the switch.
By holding the bulb up to the socket and waiting for the world to revolve around them.
Two! one to change the light bulb and the other to rotate the universe!
You can't tell it's in the dark
To get to the other side.
NEIN, NEIN NEIN NEIN NEIN
Just one. All he has to do is hold it in place while the world revolves around him.
Because 7 8 10.
He buys a new house.