Last Christmas, I was in Jacksonville, Florida, attending my kids’ marching band event. What made the trip even more special was that some of our longtime friends live there. Life has a funny way of keeping us busy. Though we were only ever a phone call away, somehow months — sometimes years — slipped by between meaningful conversations. Children, jobs, responsibilities, schedules… life kept moving. So when we finally sat down together and started chatting and catching up, it felt comforting, familiar, and almost therapeutic. At one point, my friend asked me, “So what are you up to these days now that you’re an empty nester? What do you like to do?” I laughed and replied, “I gave up my job completely. Now I walk and watch TV.” Simple answer. But honestly, there was a lot hidden in those few words. Walking has kept me going. What actually brought this entire conversation back to my mind recently was my brother-in-law visiting us. During his stay, he became completely fascinated with the...