Cats don't come with in-laws. A cat won't steal anything but your glasses, your golf balls, and your heart. Cats drink less and snuggle more. Each of a cat's nine lives is worthwhile. A cat can't write a check.
Cats can entertain themselves.
Cats are more attractive when they run around naked. A cat's nose is usually clean. You can have an intelligent conversation with a cat. A typical cat's sexual encounter lasts more than 30 seconds. Cats only scratch themselves because of fleas.