“My one condition,” I said, still smiling, “is that we put it in writing. A simple note. That for the week your mother stays here, I’m formally moving out of the marital home, and you’re documenting that you asked me to.” My husband, Ronan, frowned. “In writing? Why would we need that?” I kept my voice light. “Because I want to protect us both. If your mother ever claims I abandoned the house, or that I don’t belong here, we’ll have a clear record that I left at your request, temporarily.” He thought about it for exactly three seconds, too relieved to be rid of me to sense the trap, and agreed. He even wrote it himself, in his own handwriting, dated and signed. He had no idea what he had just handed me.

Because what Ronan had forgotten, in his eagerness to please Deborah, was one small fact about the house his mother loved to hold over us. Yes, Deborah had gifted him the down payment. But two years ago, when we refinanced to fix the roof and consolidate his debts, the mortgage and the deed had both been redone. And when the paperwork came through, my name went on the deed alongside his. I was a legal co-owner of the home he was about to exile me from. His handwritten note, asking me to vacate so his mother could move in, was now a document in which a co-owner acknowledged she was being pushed out of her own property. I folded it carefully and put it in my purse.