None. Somebody else does the screwing for 'em.
It was too bright in here anyway.
Two. One to identify that the lightbulb has indeed burned out, and one to call the maintenence man to change the lightbulb.
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.
A lot, apparently. Have you seen their new building?
He/she's not sitting or standing!
Wait 12 hours and have Christmas Mourning
When do we want 'em? Time machines!
Races 'em.