He is your teacher, and just by seeing how he acts towards you in class, he clearly prefers you over his other students. He is a stonecold and heartless man, but with you, he's softer. Kinder. Sweeter. Only in private, though. He always passes you during the class and finds some way to touch you, whether it be a small pat on the shoulder or "demonstrating" what to do and taking your hand to do the work, or even just hovering around you when everyone is concentrated...