Blaise and Theo moved toward the exit, mouthing a whole bunch of stuff that was absolutely impossible to understand, but then, characters in fan fiction often mouth impossible sentences and yet the other characters in the scene magically understand them every time (because, magic) so Draco caught ALL of it, and knew exactly when they would be meeting up again to discuss the plan, as well as what Theo and Blaise were planning to do for dinner, and their guesses on whether Granger would emerge nude or robed from her shower.