Her own voice came out of the little speaker and filled the foyer: people like you should be grateful people like me let you indoors. Then the accusation about the bracelet.

Then the order to scrub the floor on my knees.

Then the splash of the water, and after it, unmistakable, her laughter.

Gabriel looked as though someone had struck him across the face.

He knew that laugh.

He had heard it, surely, a hundred times, aimed at things he found charming — and now he was hearing it aimed at his mother, at a woman she believed to be a powerless stranger, and I watched the whole picture of who he’d thought she was fall away from him in real time.

It is a terrible thing to watch happen to your child.

It is also, sometimes, the only gift you can give him.

I did not enjoy it.

I want to be honest about that, because there is a version of this story in which the mother stands vindicated and triumphant, savoring the moment her rival is exposed, and that is not how it felt.