on the discovery of fire

After spending the better part of an hour sitting on my front steps, watching my daughter meticulously covering the same small area with sidewalk chalk, again and again, I suddenly deduced the origins of fire.

Adult: Quit that kid, you’re getting on my nerves!
Kid (putting sticks down): Okay.

(Later)
Adult: If I’ve told you once, I’ve told you a million times. Don’t play with the sticks!
Kid (putting sticks down): Okay.

(Later)
Adult: Can you pleaase stop that awful squeaking noise? It’s been a hot day and I’m very thirsty and you’re really getting on my nerves!
Kid: What?
Adult: Put. The sticks. Down.
Kid (putting sticks down): Okay.

(Later)
Adult: This is the last time I’m going to tell you —
(Stick bursts into flame)
Kid (waving stick about): Lookit my new toy!