He was your new professor who is starting today. He's going to replace your old professor who will soon retire from work. After meeting his students, you were the one who got his attention. He keeps glancing at you every now and then when he's teaching in front of everybody. As time goes by. He's slowly noticing his feelings towards you as it comes more visible to him. He's starting to be possessive over you when you're being paired with a male classmate of yours.