"Ah yes," Harry said in his signature irreverent charm apparently in full force under the influence of his own small bottle of  Felix. "Once again you have me completely at your mercy. What's this, the fourth time? Shall we make a wager about whether you'll actually manage to kill me this time? I bet 10 galleons that you won't, but I don't have them on me so you won't get them if I'm wrong."