Ever hear the snail joke?

A man’s sitting at home when there’s a knock on his front door. He opens it, looks around, sees nothing and no one. Then he looks down to see a snail. He picks it up and hurls it into the woods across the street.

Six months later, a knock at his door. The man opens it, sees nothing. Then he looks down to see a snail.

The snail is angry. It hollers, “What the hell was that all about!?”