I remember how infuriating our son, the second born, could be.

I remember from ages 3 to 18 (when he went off to college, phew) our darling boy asking not “why?” but “why not?”

I remember a hundred Why Nots a day – why not go to his friend’s house at 10 p.m.; why not eat a whole box of Oreo cookies in one sitting; why not skip school when it’s sunny and he can hike in the hills next door.

I remember he insisted on full answers. I remember how “Because” didn’t work because...