Unlike my fishing-obsessed husband, I had no real hobbies, and after our children moved out I had no idea what to do with all my free time. One day, on my way home from shopping, a sign for a ballroom-dance club caught my eye. A man named Oki approached me and invited me to try a dance. The instant we moved together, I felt an unexpected connection between us. From that day on, every dance brought our bodies—and our relationship—closer...