Harry waited out her anger on the subject of Hogwarts History classes, but was caught off-guard by her questioning of her history. He should have expected it, because he had prompted the question.
"I... Well," Harry said, rubbing a hand over the back of his neck. "Why don't we sit down?" Harry said, taking the books from Helena and taking her to a table he had recently cleared.
"How much do you remember?" Harry asked, that way he wouldn't go too far into her story than what she was comfortable with.