Some of my best friends have been dogs and some of them have been people. Sometimes it's hard to tell which is which. Most people don't play fetch very enthusiastically unless they get paid to do it. Dogs have expressive faces, well, maybe all animals do. I don't speak Dog so they have learn what I mean when I say fetch. Sometimes the dog just lays down and looks at me with his tongue hanging out, as if to say, "you want me to do what"?