I sat on the piano bench and opened it while Helen hummed beside me. Mom had written it the week after her diagnosis. She explained that the day she stopped me on the walk to school, she meant to tell me she was sick and that she would one day forget my face. Dad had begged her to wait until I was older, fearing the truth would frighten a thirteen-year-old, and she had agreed, hating herself every day afterward.

The other letters were her answer to that silence. There was one for every birthday I would have, written while her mind was still clear, filled with small stories: my first lost tooth, the winter she braided ribbons into my hair, the song she hummed when I was sick. She wrote that she was not leaving me, only changing shape. If I ever came to her door and she called me a stranger, I should remember that her heart was still holding my name, even when her mouth could not.

At the bottom of the stack was a small box. Inside lay a worn silver brush and a note saying that braiding was how she would find me again. She had decided long ago that if she ever forgot me, I should sit between her knees as she once sat me, and let our hands remember what her mind could not. I understood then why the old hairbrush always felt warm in my hands.

I read the first letter aloud to Helen, slowly, and she listened with her eyes closed. When I finished, she touched my hair and smiled. For one clear moment, she looked at me and said, “Hello, Lucy.” Then the cloud returned, and she asked politely whether I was the woman who cared for her. I kissed her hand and said yes. Now I read her one letter every Tuesday, and I braid her hair in silence, no longer waiting to be recognized.