I did not confront him immediately. I am not by nature a dramatic woman. I watched. I listened. I told myself there were explanations. We had been through difficult seasons before. The year Douglas nearly lost his business. The year I had a cancer scare that turned out to be nothing. We had always come through.

But one evening in December, I found a card in his coat pocket while I was taking it to the dry cleaner. It was a Christmas card, unsigned, but the handwriting was feminine and careful. It said, “Every day with you is a gift.”

K.

I stood in the hallway of the house on Birwood Lane, the house Harold and I had bought in 1987, the house where I had raised three children and buried two dogs and grown a garden that was written up once in the local paper, and I felt something cold pass through me.

K, just a letter, but a letter is enough to end a world.

I said nothing that night or the next. I cooked dinner. I watched the evening news beside him on the sofa. I smiled when he made jokes. And all the while, I was memorizing his behavior the way you memorize a map when you know you are going to need it.

By February, I had confirmed what I already knew in my bones. Harold was seeing a woman named Karen Whitfield. She was 54 years old, 24 years younger than him, a real estate consultant from Westport. I found her name through a receipt I discovered in the recycling bin from a restaurant in Greenwich, neither Harold nor I had ever been to together.

When I tried to speak to him about it quietly one Sunday morning, he did not deny it. He looked at me across the breakfast table, the same table where we had eaten thousands of meals, and he said with a calm I had never heard from him before:

“Margaret, I want a divorce. My attorney will be in touch.”

That was all. No explanation. No apology. No grief on his face.

Fifty-two years.

And he said it the way you’d cancel a magazine subscription.

What followed was six months of legal proceedings I was wholly unprepared for. Harold had retained a team of attorneys, not one but three, specializing in asset protection. I later learned he had begun restructuring our finances 18 months before he filed. The house on Birwood Lane, valued at $4.5 million by that point, had been quietly transferred into an LLC he had formed without my knowledge. Our joint savings had been reduced to a figure that barely covered two years of modest living.