The other one says, "I bet I can get him to give me some time off without my even having to ask for it."
With that, he climbs up on a table and hangs upside down from a fixture in the ceiling.
Hearing the commotion, the boss comes out of his office and sees the man hanging upside down, and asks him, "What on earth are you doing up there?"
"I'm a light bulb!" the man replies.
The boss tells him, "You've obviously snapped. You need to take a couple of days off and get straightened out."
The man climbs down and heads for the door, and his co-worker follows him.
The boss says to the co-worker, "Where are YOU going?"
The co-worker replies, "I can't work in the dark."