Rose swayed to a halt, blue eyes round at being caught in an intellectual trap. And for the brilliant daughter of Hermione Weasley (nee Granger) that was a rare position to be in indeed. "Because... because..." she spluttered. She shook her head, tousling the fiery red bangs. "Just forget it. You know what I meant! Come on: what's the one thing I've said all along?"