An elderly couple is getting ready for bed.
She says Oh I am just so hungry for ice cream and there isn‘t any in the house.“
He says，”I’ll go get some.“She says，”Vanilla with chocolate saucewith whipped cream on top and a cherry.“
She adds，”Please write it down, I know you‘ll forget.“
He says，”I won’t forget. Vanilla with chocolate saucewhipped cream, and a cherry.“
Away he goes. Hours later he comes back and hands her a paper bag.
“In it is a”HAM SANDWICH“
She says，”I told you to write it down！You forgot the mustard.“
