"I'm sure she was just being kind," he replies, suppressing a shudder at the thought of being in potions class again. Perhaps Snape had once been a supportive teacher and he'd only changed in later years? Perhaps he also taught his students about flying pigs and blast-ended skrewts. "And to be fair to her theory, it must come as a great shock to meet someone as an adult you only briefly knew as a child."