- Boy, I probably burned around 700 calories today running.

- More.

- Who said that?

- It's your brain, reassuring you.

- Oh, really?  How much?

- 837.

- Wow!  800?  That's just great, I mean that's really up—

- Do you feel reassured?

- Oh yes, thank you Brain.

- Good...cause I'm just making numbers up.