Going on walks with my darling wife is a great joy to me. Sixteen years ago we used to walk almost six miles daily. These days we don’t get out as often as we did, but we still do get out and walk together. Holding her hand makes me feel happy and secure. Sometimes we “exer-walk” so there isn’t much hand holding going on, but I still enjoy her presence. As we pop along we talk about the scenery, family, hopes, dreams, politics, religion and other stimulating topics. What I have observed over the years (and what my wife will...