At my sister’s wedding reception, my mother demanded I sign over the penthouse my grandmother left me—and when I refused, she slapped me in front of half of Boston. She thought that would finish me. Then my grandmother walked in with a lawyer.

I had spent most of the first half of the evening at the edges of the room, moving in and out of visibility the way I had trained myself to do at family events from adolescence onward. I congratulated the bride. I smiled for photographs. I answered questions about work with the kind of neutral competence that discouraged follow-up. I accepted tiny verbal cuts without offering the satisfaction of visible injury. I knew how to occupy just enough space to avoid being called rude while leaving as little of myself exposed as possible. Useful, composed, agreeable, slightly distant—that had long been my best survival costume. I had been wearing versions of it for years. It let me remain present without being fully available. It let me pass through an evening like Madison’s wedding without handing my mother fresh material for future corrections.