Parts

A: "Here, it's a gift."
B: "A box of chocolates?"
A: "Open it."
B: "Thanks but, shouldn't it have more than one chocolate left?"
A: "It should, but the thing is, you'll have to be patient, and only once in a while will you get a piece of chocolate."
B: "But why?"
A: "Because, I don't want to waste any piece of chocolate, and I want to be sure when I should give up a piece of chocolate."
B: "I see, trust me, I won't waste any piece of it."
A: "......"
B: "I thought you'd never ask."

...wanna go steady with me?