Isobel and William weren't overly surprised that Hermione was leaving, but they were incredibly mournful that she would. They'd expressed their concern over her, and how she was doing. They, too, had lost Silas and she could see the pain in their eyes every time she saw them; a crippling sorrow that matched hers. Hermione found herself unable to breathe in their presence. They were living reminders of Silas, and his unwavering affection.