At Christmas dinner, my mother-in-law suddenly snapped at my 5-year-old daughter. Everyone awkwardly kept eating, pretending nothing had happened. I was about to comfort my daughter when my 8-year-old son slowly looked up from his plate, his voice steady and clear: “Grandma… should I show them what you told me to hide?” The air in Judith's dining room was thick with the scent of pine and unspoken resentment. My five-year-old daughter, Penny, in her favorite sparkly Christmas dress, looked like a