An older couple had trouble remembering common, day-to-day things. They both decided that they would write down requests the other had, and so try to avoid forgetting. One evening the wife asked if the husband would like anything. He replied, "Yes. I'd like a large ice-cream sundae with chocolate ice cream, whipped cream and a cherry on top." The wife started off for the kitchen and the husband shouted after her, "Aren't you going to write it down?" "Don't be silly," she hollered back, "I'm going to fix it right now. I won't forget."
She was gone for quite some time. When she finally returned, she set down in front of him a large plate of hashbrowns, eggs, bacon, and a glass of orange juice. He took a look and said "I knew you should have written it down! You forgot the toast!"