A: One. He puts the bulb in and lets the world revolve around him.
So the sharks aren't hungry anymore.
Let's go ride bikes!
Two. One to change the bulb and one to sing about how grand the old bulb was.
Two, but I don't know how they'll fit inside the bulb
None, they all know someone that does it for them.
None, they just hire a mexican to do it.
One to generate a "ChangeLightBulb" event to the socket.
Not possible. Their hands are too slippery with each other's ejaculate.
Just one to hold the bulb while the world revolves around them.
My life revolves around you!
They've both put their faith in the cloud.
He buys a new house.