Harry blinked, and then surprised himself by chuckling, "Caught that did you? Congratulations, you are more observant than 98 percent of the people I know, including Albus Dumbledore. Of course, you were Slytherin; you know the value in observation better than most. So, the question is, what do you want? Obviously you think you know more than you saw, and honestly, I'm too tired to play polite games with you. So, let's get down to cases; and we can go from there, okay?"