"It’s hard. I’ve seen... I’ve seen what it does to people. They're never really the same." He had forgotten that this was personal to her. It was a known thing around the office; that at barely seventeen Hermione Granger had obilviated her parents for the war and sent them away. When everything calmed down the healers were unable to recover their memories. A side effect of a novice obiliviation... and undeniably her fault.