Dumbledore looked very intently at Harry for a moment, and then said, “I have a theory, no more than that. . . . It is my belief that your scar hurts both when Lord Voldemort is near you, and when he is feeling a particularly strong surge of hatred.” “But . . . why?” “Because you and he are connected by the curse that failed,” said Dumbledore. “That is no ordinary scar.”
