How to Argue With a Pre-School-Aged Child (And Lose) #31

P=Parent
C=Child

C: Do zombies come when you're wasting water?
P: I don't know. Do you think that's what zombies are for?
C: Yeah. Zombies come when you are wasting water. That's what they do.
P: I don't know if that's true, but I'm not gonna disagree.