Once upon a time there was a farmer in West Virginia [or Newfoundland, etc.] who had a pig with a wooden leg.
One day a visitor notice the porcine prosthesis and asked the farmer to tell him about the pig.
"That's a wonderful pig," said the farmer. "Once we had a fire that destroyed the house. The pig woke me up, woke my wife up, dragged all the children out of the house, and ushered all the dogs and cats to safety. The pig saved everyone's lives.
"Another time my tractor rolled over and trapped me underneath. The pig lifted up the tractor, and I crawled out from under. He saved my life again."
"That's great," said the visitor. "But what about the wooden leg?"
"Well, when you have a great pig like that, you don't want to eat him all at once."
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Schooner For Ever