Do dogs come from dinosaurs? Why do dogs like people? What can a dog tell by smelling a person, and what can a person tell by smelling a dog? Can dogs recognize other people in your family by their smell? How do dogs drink with their noses in the water? Why do some dogs' ears stick up while others flop down? Dog food looks and smells pretty gross, so why do dogs like it? Can people eat dog food? Are there any diseases people can get from dogs or dogs can get from people? How many hours a day is a dog supposed to sleep? When sleeping dogs twitch and make noises, are they dreaming? Do dogs ever fall in love? Do dogs cry? How come my dog never seems to watch TV with me? Can dogs see what people see? Did anyone ever "invent" his or her own breed of dog? Have any dog breeds ever become extinct? What's a dog's tail for? When it wags, does that mean the dog is happy? Why do dogs sniff under each other's tails? Do dogs have baby teeth that fall out before they get their adult teeth? Why aren't dogs supposed to eat chocolate? When a dog stares at you, what is he thinking? What color is a dog's skin underneath all that fur? Can dogs remember stuff? How long are their memories? How many toes does a dog have? Are the pads on a dog's foot part of his toes? Why do dogs seem so happy to see us, even if they've just seen us? Why do dogs have cold, wet noses? Cats have whiskers, Do dogs? Why do dogs lick us? Do they wish we'd lick them back? Why do some dogs like riding in cars and other dogs don't? How many breeds of dogs are there in the world? Who was the most famous dog ever? But really, why do dogs like people?
