‘Not a secret you need to worry about,’ she replied.

‘It’s part of our family history.

There are things we’ll tell you more about as you grow.’

Preston later asked the family therapist whether the boys should read everything at once.

She advised him to follow their questions, to be honest in age-appropriate ways, and not to place adult guilt on the children.

Preston and Naomi agreed that their sons deserved the truth without being turned into judges of the adults.

They told them that Naomi had written when she was pregnant, that Preston had not received some of the messages, and that he had also failed to listen as he should have.