It’s 7 a.m. on June 1. The house is quiet. The sun is rising over the trees, shining its golden spotlights on the green grass still heavy with dew. I have a decision to make. Should I sit at my desk, working on the project with a looming deadline while the house is still quiet, before the kids get up and start bustling around? Or should I lace up my shoes and go for a run, before the sun hits its peak and warms up the atmosphere to the point...