I went for a winter walk with my lifelong pal yesterday and we had a deep discussion about our journeys. My friend, who was a volleyball star in high school and college, is a nurse now with her oldest child in college, is stumped as to why and how I still “move my body for a living.” She remembers taking my aerobics classes at “Gold’s Gym” in Dewitt, New York, in 1995! She is both...