A man went to visit his grandparents and found his grandfather sitting
>on the porch, in the rocking chair, with nothing on from the
> waist down. "Grandpa, what are you doing?" he exclaimed. The
>old man looked off in the distance without answering.
> "Grandpa, what are you doing sitting out here with nothing
>on below the waist?" he asked again.
> The old man slowly looked at him and said, "Well, last week
>I sat out here with no shirt on, and I got a stiff neck. This is your
>grandma's idea