Scene: Kevin and me lying in his bed at bedtime
Kevin: Mommy, *giggle* what if someone passed gas in someone else's face? *giggle*
Me: That would be very rude.
Kevin: Ok. But what if there was a small person and a tall person and they were standing in line together?
Kevin: And then the tall person passed gas and it was in the small person's face just because that's where they were standing?