To be a planner's child

Driving past city hall....

L: Look, mama's office!
J: That's right, Luke.
L: Wendy in there?
J: No, she's in Washington DC for a few days.
L: Why?
J: She's at a conference for work.
L: Why?
J: She's learning about "sustainability".
L: Sustainblidy? What that?
J: Yeah, um, it's, um -- saving the planet.
L: How?
J: Err, [pause], umm, you know when you go to Grandma Jackie's and you can't waste water because she lives in the desert? That's one way to save the planet.
L: Oh!