It's bad to want to shoot people for no reason.
James is having a rough time adjusting to his first year away at college and is currently doing poorly in his classes.
James wants to distract himself from his problems.
James joins a video game club on campus and becomes a regular at their get togethers.
James fantasizes about shooting up the campus and them having to close it down for the semester.
James makes several friends who help him study and improve his grades.
James becomes increasingly neurotic and continues to do poorly in his classes.