How Many Dogs Does It Take to Change a Lightbulb? - 15

And Finally....

How many cats does it take to change a light bulb?

Cats do not change light bulbs. People change light bulbs. So, the real question is:

"How long will it be before I can expect some light, some dinner, and a massage?"

ALL OF WHICH PROVES, ONCE AGAIN, THAT WHILE DOGS HAVE MASTERS, CATS HAVE STAFF!