One. But he doesn't screw it in, he just holds it and the world revolves around him.
Light bulb.
How many "friend zoned" guys does it take to change a light bulb? None. They just compliment it and get mad when it won't screw.
Don't be silly, Black Lives Matters protesters can't change anything.
None: A 'Real Woman' would have plenty of Real Men around to do it.
One. They stick the bulb in the socket and wait for the world to revolve around them!
One to hold the lightbulb, and the rest of the world to revolve around them
He holds it up to the socket and the world revolves around him.
Just one. All he has to do is hold it in place while the world revolves around him.