Doesn't matter. Lightbulb is going to die anyway.
Lightbulb.
A: Two. One to change it and another one to change it back again.
One. They stick the bulb in the socket and wait for the world to revolve around them!
YOU'LL NEVER KNOW!! YOU WEREN'T THERE, MAN!!
He was in de-Nile.
Because they die in them.
It doesn't matter how many. They just compliment it and get mad when it won't screw. Edit: Credits to Drougen for making it better.
It doesn't really matter, as long as it has good cocoa content.