When my daughter Yumi brought her fiancé home, the young man answered my “Nice to meet you” with “It’s been a long time.” He was the boy who had confessed his love to me decades ago. As memories of him merged with the adult standing before me, I was overwhelmed by nostalgia. That night, he confessed again: “I still love you.” I knew it was wrong, but I agreed it would happen only once and accepted his kiss...