A: Cats are social; they enjoy having people or other animals around to play with/groom/hang with. If they're by themselves or ignored most of the time, they'll start exhibiting the anti-social behavior with which cats have been unjustly stereotyped.
That said, like anybody who grew up in a big family knows, sometimes you just need a moment.
Follow-up Q: Is that the bag from the first FAQ?
A: Yes. Observe the gangsta necklace in the upper-right corner.