he gets it.

Having a little discussion with the younger lad on nutrition...

him: "grapes have protein, mama?"
me: "no, but they have other good things for us -- like vitamins."
him: "they have natural sugar."
me: "yes, they do."

him: "chips have natural sugar, mama?"
me: "not exactly.  They are carbohydrates, though.  They're extra -- a sometimes thing -- for after we've had our growing food."

him: "bagels have protein, mama?"
me: "not a whole lot, unless you put peanut butter or something like that on them.  Yogurt has protein."
him: "yes yes yes!  I *love* yogurt!"