"I don't understand." That's not quite true, the words heavy on his lips as he slowly comes around to the realization of what Sheogorath is speaking of. The invisible wall that kept him inside the Margrave building for years, feet leaden and immovable. The secret of Sir Mimley and the fire in his eyes as he argued with Dame Doctor Agatha Sampat. Ducky's suspicion turned upon him, while she buried her feelings too deep to acknowledge in herself.

Madness.