 to become dogs. Every dog that's ever existed, from the tiniest chihuahua to the biggest mastiff, they're all descended from gray wolves. And they're all, in one form or another, a human invention. And so, over those years, dogs have learned to adapt to our needs. They first did very blue-collar, hard labor type of jobs, pulling sleds and chasing down big game and that sort of thing. And now, of course, most dogs are