A young man was walking through a supermarket to
pick up a few things when he noticed an old lady
following him around. Thinking nothing of it, he
ignored her and continued on. Finally he went to
the checkout line, but she got in front of him.

"Pardon me," she said, "I'm sorry if my staring
at you has made you feel uncomfortable. It's just
that you look just like my son, who I haven't
seen in a long time."

"That's a shame," replied the young man,
"is there anything I can do for you?"

"Yes," she said, "as I'm leaving, can you say
'Good bye, Mother!' It would make me feel so much better."

"Sure," answered the young man. As the old woman
was leaving, he called out, "Good bye, Mother!"

As he stepped up to the checkout counter, he saw
that his total was $127.50. "How can that be?" he asked,
"I only purchased a few things!"

"Your mother said that you would pay for her," said the clerk.