My sister called me “a fat woman” and coldly said, “I don’t want a fat family member at my wedding. It’s embarrassing! Stay away!” My parents looked down on me and said, “Listen to your sister.” I decided to plan a surprise for her wedding day.

I used to believe cruelty always announced itself with a sound—sometimes a hush, sometimes a mocking laugh. But the day my sister Allison met my gaze and called me “a fat woman,” it felt like something shattered inside my chest.
“I don’t want a fat family member at my wedding,” she said flatly. “It’s embarrassing. Stay away.”

My parents offered …