Maura: The first expression is you are what you eat.

Harp: You are what you eat.

Maura: Yes. You are what you eat. And this just means exactly what it says.

Harp: You are what you eat: If you eat something healthy, you’re healthy.

Maura: Right. So what it wants to say is that what you eat reflects how healthy you are. So if you eat vegetables and [bad word] and good grains for you, then you will have good health. But if you eat a lot of potato chips and chocolate bars, then that might not be very good for your health.

Harp: Yes. I’ve known of this expression since I was young, you are what you eat. When I was young, I would remember my mom saying it to me, “Harp, remember, you are what you eat.” And I would say, “What am I, a cucumber? What am I, french fries?”

Maura: Yeah. As a kid, you take [bad word] literally. 
Obviously, if you eat an apple, you don’t [bad word] an apple, but if you eat an apple, that’s a healthy choice so that would mean that you’re probably a healthy person.