Hysterical Opera Cat — [VIDEO]

Cats are strange little creatures.  They live in their own little world and don't seem to have much use for humans.

Yes, their human slaves provide food, clean litter boxes, and furniture for their daily naps, but that's not all.  Sometimes the little furballs need their humans for petting, scratching and playing.

Check out how happy this little kitty is when his human is petting just the right spot!