I envied the hell out of your friendships, the happiness you all found in each other. My friendships at the time were laughable in comparison. I desperately wanted my own version of Dumbledore's Army. Once I started questioning the supposed inferiority of muggle-borns, I started questioning everything. I had a fair few nights where I looked like that," He nodded at Hermione behind her wall of books, "researching everything. 