Teen girl: My dad told me that pee was nutritious.
Friend: Oh? Pee's only like 95% water and 5% waste. I don't think there's any nutrition in it.
Teen girl: Oh.
(a few minutes later)
Teen girl: Do you think pee would taste like sugar if all you ate were sugar and water?
Friend: Then wouldn't the pee be like 95% water and 5% sugar? –6 Train