And where better to relax than in a sink?

Photo by aprillynn77

Plastic wrap is something humans use to stop leftover cat food from drying out and becoming unpalatable to cats.

Photo by mark.hogan

A wallet is a cat toy humans keep in their pockets.

Photo by The Consumerist

A useless object of no interest to cats. Humans often leave these on surfaces where cats wish to sit, thus depriving the cat of good napping places.

Photo by Foxtongue

For humans to wipe their feet on, so they keep the floor inside the house clean for cats.

Photo by Sylvar

"I'd like to order a sardine and anchovy pizza please."

Photo by photofarmer

Flossing is too much like string for some cats.

Photo by pjmorse

Down is an unfortunate direction cats must occasionally travel, just so they can go up again.

Photo by Ali Smiles :)

Balance is something cats are very good at. When they fall off things, they are doing it on purpose for the entertainment of humans.

Photo by pmarkham

Humans with crutches cannot get away from cats that need a warm place to sleep.
Photo by vieux bandit.