"No. I know what it feels like to have that sort of magic on me, I know what it's like to be in someone's memories, to be under the Imperius, to have you in my head, or Riddle, or ...or Melkor or Mairon. I know what all of those feel like, but I can't place this. It's there, but it's not, and in the past, that's been a sign of the ship getting inside."

Harry looks as if he's about to say something, but then revises his thoughts. "I've tried to shore up my defenses, but in the future, after you'd tried, you admitted that it was pretty much a lost cause. There's holes," he says, tapping at his temple, "And they were put in place when I was too young. I'd hoped it would heal, but I can't tell."