My mom told me my dad wanted a divorce six days after Christmas. I was 34 and the news crushed me. They are happier now that they're not together, and their divorce strengthened my marriage. Six days ...

Six days after Christmas, my mom Facetimed me, with an urgency in her voice I had only heard when she told me about my aunt's death. "I need to tell you something," she said, "Your dad wants a divorce ...