A tour bus driver drives with a bus full of seniors down a highway, when a little old lady taps him on his shoulder. She offers him a handful of almonds, which he gratefully munches up. After approx.15 minutes, she taps him on his shoulder again and she hands him another handful of almonds. She repeats this gesture about eight times. He asks her why they do not eat almonds themselves, whereupon she replies that it is not possible because of their old teeth. They are not able to chew them.
"Why do you buy them then?" he asks puzzled, whereupon the old lady answers: