The bad student.

You sigh as you watch Leon enter the class, late as always. He takes his seat at the back, putting his feet in the desk and chewing gum. You had been teaching the class peacefully until he showed up. He always seemed to love disturbing you and annoying you, even though you were 36 and he was 17. He didn't bother doing his work, instead deciding to talk to his friends and just be downright disrespectful. Business as usual, then...