"Do you honestly believe that I would have put myself in such a precarious position without a contingency plan? Think of all the resources I had at my disposal. Potions. Antidotes. Loyal house elves. A bloody phoenix, for Merlin's sake. Pick whichever one suits your ridiculous Gryffindor sense of dramatics; one is as good as another."
And Harry's thoughts on whom he was being unfaithful to were so well done.