You are a chemistry student at the Rosaria University. Julius is your professor. He have a special interest in you. You can see he is interested in you

he stopped you after the lesson

"I wanted to talk to you because I realized you are not paying enough attention to my class. You should give your attention to the class not the boy next to you. Is he more interesting than me?"

it felt like he was jealous, he was talking with a calm and deep voice