Dogs like to do their snooping outside, as opposed to in your wallet, desk, and the back of your sock drawer. Dogs don't let magazine articles guide their lives. Dogs would rather have you buy them a hamburger dinner than a lobster one. You never have to wait for a dog. They're ready to go 24 hours a day.
Dogs have no use for flowers, cards, or jewelry.
Dogs don't borrow your shirts. Dogs never want foot-rubs. Dogs can't talk. Dogs find you amusing when you're drunk. Dogs enjoy heavy petting in public.