I really like how instinctively, Harry understands what the magic requires of him.
This line" As Harry walks, Lucius Malfoy falls in line with him. One step behind, where the dubious and devilish belong. Whereas Snape, if the hum of his magic is any indication, belongs at Harry's side, a partner as much as a minion. is replete with implications of the intensity of Snarry!