[Temeraire most certainly does not flare his ruff a little more. He very definitely does not tense up. Instead he says, in the politest tones possible,] Hullo, Mrs O'Leary. [Beat.] Percy, why is she called that? Is there a Mr O'Leary?

[He watches intently as Percy hurls the pen away, and his pupils widen significantly when it appears again in his pocket.]

Why, that is a very neat trick; I suppose there is no question of transferring that spell to anything else? [Things like his small pile of treasure, and his favourite books, and certain members of his crew.]