Three tortoises, George, Dick and Don, decide to go on a picnic.
Dick packs the picnic basket with beer and sandwiches.
The trouble is that the picnic site is ten miles away so, it takes them ten days to get there. When they get there Dick unpacks the food and beer. “OK, Don, give me the bottle opener.”
“I didn't bring it,” says Don. “I thought you packed it.”
Dick gets worried. He turns to George. “Did you bring the bottle opener?”
Naturally George didn't bring it.
So they're stuck ten miles from home without a bottle opener
. Dick and George beg Don to go back for it, but he refuses because, he says, they will eat all the sandwiches while he's gone.
After two hours, and after they have sworn on their tortoise lives that they will not eat the sandwiches, Don finally agrees to go get the bottle opener.
So Don sets off down the road at a steady pace.
Twenty days pass and he still isn't back and Dick and George are starving, but a promise is a promise.
Another five days and Don still isn't back, but a promise is a promise.
Finally they can't take it any longer so they take out a sandwich each. Just as they are about to eat, Don pops up from behind a rock and shouts, “I KNEW IT, … I'M NOT GOING!”