"He wasn't as unsuspecting as you believe," the teacher retorted, raising an eyebrow. "I noticed two years ago how much Dylan had changed since he started hanging out with that boy. I knew that Scorpius's obsessions with perfection hid signs of insecurity, even fear, and sometimes I feared that he too had secretly embraced the Dark Arts. But how could I bring up the topic out? He never gave me an opportunity to warn him. He was clever. Just as clever as his less refined relative, Dorian Greengrass."