"Flurry Heart?" he knocked again on her door. Strange noises came from within, a cacophony of screams and clanging metal. Once upon a time such noises would have had him breaking down the door, but now it went in one ear and out the other. Replacing crystal doors got expensive fast. "I'm respecting your boundaries by knocking three times like you asked, but asserting my authority as your father by coming in anyway."