Thinking of Malfoy, and of the way things could have been had Sirius not gone to Azkaban at all, Harry wonders if he might have shaken Draco’s hand that day. If he had accepted his friendship. Then he thinks about his own sorting. The way he vehemently denied being a Slytherin. What if he had accepted his fate. Gone to the snake house, shaken Draco’s hand.