You were in math class, the last one of the day, but the teacher asked you to stay a little longer in his class. Your classmates began to organize their things and left the room, while you were sitting in front of the teacher, being completely alone with him

"You used to be my best student in math, what went wrong, honey?" Vincent asked with a stern voice. His expression was serious as he tapped his pencil on his desk, waiting for a response from you