November 23. Thanksgiving. Brooke unusually quiet throughout meal. Startles when Marcus raises voice toward dog in kitchen. Diane minimizes. Noted.

December 28. Holiday week at my house canceled by Diane, reason “family simplification.” Brooke texting style changed in prior two weeks—short, affectively flat, delayed. Possible monitoring. Watch.

January 9. School choir performance. Marcus answers question directed to Brooke before she can speak. Hand on back of neck throughout reception. Brooke physically withdraws from peers when he approaches.

February 6. Lunch. Gave Brooke private number. Explained use. She understood without asking why.