I don't understand." "How can you not understand?" He pointed at her books. "You read novels. Obviously, I'm here to rescue you. Don't I look like Sir Galahad? ... My strength is as the strength of ten, Because my heart is pure - " Something echoed, far away inside the house - the sound of a door slamming. Will said a word Sir Galahad would never have said, and sprang away from the window.