Is balancing running/training with life a challenge for you?

Plus: Why walking is a 'superpower' that makes us 'healthier, happier and brainier'

As I write this to you here on Sunday morning — I’m not saying that facetiously or figuratively, it’s literally happening as I write these words — our family dog, Twix, has her muzzle tucked under my my left elbow while our 6-year-old son is on my right side, asking me to cut some tape for attaching a ribbon to a shoebox lid.

My wife Meredith and I just…