Cause and effect.

The other day my 6-year old daughter L.E. and I were hanging out in our home office. I was writing and she was playing "Tap Fish," on my iPhone, a game that for the most part is just a way to teach your kids about death. Seriously, those virtual fish are more fragile than Bradford Pear trees and those things fall down in your yard if someone sneezes vigorously. (Home office? Daughter? Bradford Pear tree? Whoa, that was like a suburban dad reference hat trick!)

Out of nowhere, without looking u...