Ten: one to screw it in and nine to say, "Pssh, I can do that."
Apparently a lot, because that lightbulb still isn't screwed in.
We may never know the truth.
One, although it's probably screwed in too tight anyway.
None, they prefer natural light
Find out next time on Dragon Ball Z!
Only one, but an extra 15 to repost.
Pay for the pizza.