At Ginny's suggestion, George writes letters to his twin.
'Sentimentality, Salazar' Rowena asked in some surprise, one of her eyebrows rising to her hairline. 'I would never have suspected it of you.' Salazar laughed shortly and humorlessly. 'Even the best of us have our weak moments,' he said dryly.
But sometimes she was there, and she would look at him over the top of her book, her bushy hair twisted back and secured with a quill, and she would smile the most gentle smile.