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A young man was walking up to his house, when he noticed his grandfather sitting on the front porch. He was in the rocking chair with nothing on from the waist down.

"Grandpa, what are you doing?" the teenager exclaimed.

The old man looked off in the distance without answering.

The teenager asked again: "Grandpa, what are you doing sitting out here half naked and without pants?"

The old man slowly looked at him and said, "Well, last week I sat out here with no shirt on and got a stiff neck. This is your Grandma's idea..."
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