When Mark texted asking for updates, Martha answered him strictly on the facts — the date of a procedure, the result of a scan — and nothing more, and never through the child.

When he asked to speak to Irene, Martha did not simply hand over the phone, and she did not simply refuse on Irene’s behalf either.

She asked her daughter, each time, whether she wanted to talk to her father, and when Irene said no — which, for a long while, she did, again and again — Martha honored the no without argument and without making Irene feel she owed anyone an explanation for it.

A child who has been taught her boundaries are negotiable, Martha had come to understand, does not get that lesson unlearned by a speech.