A man takes his Rottweiler to the vet.
Man: "My dog's cross-eyed, is there anything you can do for him?"
Vet: "let's have a look at him"
So the vet picks the dog up and examines it's bottom, teeth, then finally it's eyes.
Vet: "It's no good, I'm going to have to put him down."
Man: "What? Because he's cross-eyed?"
Vet "No, because he's really heavy.
