Even if you sleep for 20 hours a day, like a standard housecat, there's really nothing like a good back rub to relax you.

A cat's life can be pretty stressful, even for just fours hours out of 24. There are all sorts of insects flying around the house that need chasing. There are dogs that walk by outside—they need to be hissed at. And have you ever seen how many squirrels there are out there, plotting their inevitable home invasion? Someone's gotta keep an eye on them, and that task falls to the kitty of the house.