He asked if she would mind if he called her up and asked why she cut the ends off the ham.
"Sure. Call her up."
"Hello mother. May I asked you a question?," he inquired.
"Sure."
"I noticed my wife is cutting off the end of the ham, and when I asked her why she said that you always did and you baked the best hams. May I ask why you cut off the ends of the ham?"
"My mother made the best hams in the county and she always cut off the ends."
"Hmmm, do you mind if I call her up and ask her why?"
"Sure. Call her up."
"Hello grandmother. I noticed my wife is cutting off the ends of the ham and when I questioned why she said her mother always did. When I questioned her mother, she said it is because you always did and you baked the best ham in the county. May I ask why you cut off the ends of the ham?"
"Oh yes son, I cut off the ends because my pan was too small."