"I did’ he nods, looking down at the tea in his cup, "it was what I was thought to believe in. Yet, as you know well, nothing is more irritating than a theory being defined as perfect when there are too many holes in its core concepts. I was angry at the war, at my father, at what the Order did to my family, to the wizarding world, but... Shasha thought me more about magic than I could ever hope to learn in Hogwarts. It moves in us like conduct, some have more, some have less, but it has nothing to do with blood purity’