As a kid I used to have a lemonade stand. The sign said, “All
you can drink for a dime.” So some kid would come up, plunk
down his dime, drink a glass, and say, “Refill it.”
I’d say, “That’ll be another dime.”
“How come? Your sign says – All you can drink for a dime!”
“Well, you had a glass didn’t you?”
“Yeah.”
“That’s all you can drink for a dime.”