Fifty — one to screw in the bulb and 49 to guard him/her.
or
Three. One to climb the ladder while the second kicks the ladder out from under her. And the third to say, "I knew that was too high for you dear."
or
He made sure his pools were clean and his lawns were mowed.
or
Because all his other wives support Hillary.
or
There are footprints in the butter.
or