One. But he gets three hours credit.
Only one, but they have to turn it on and off 50 times before they're sure it's fixed.
A: Look ask me when I get back from India okay
Only one, but the light bulb really has to want to change.
None, because they keep on asking why all of the other light bulbs in the house aren't being changed at the same time.
Lock them both in the trunk of your car for an hour. Guess who is happy to see you when you open the trunk
Tire-less