One. But he wishes it took two.
If you know the number, you don't know where the socket is.
none because There is A Light That Never Goes Out.
One. They're used to having their lights knocked out.That joke turned dark fast. I'll see myself to my respective corner.
11. 1 to change the lightbulb & 10 to take 200 photos of it & clog my newsfeed.
Because they always wish for the green card
In both cases you wish you took it out a few seconds earlier.