An old couple was watching TV one evening, and the husband got up to go to the kitchen. His wife told him to get her some iced tea, and knowing that the years had taken their toll on his memory, she told him to write it down.
"I can remember iced tea," he protested.
"But I want sugar in my tea too," she told him, "so write it down."
He told her he could remember iced tea with sugar.
"I want a slice of lemon too." she said, "Just write it down."
He left the room grumbling to himself. A few minutes later he came back with a plate full of mashed potatoes for her.
"Now look what you've done!" she yelled at him, "You forgot my gravy!"
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