With the idea framed by the term “expertise,” we are quick to associate positive notions, like “dedication” and “passion,” but there’s little doubt that spending so much time and hard work on anything nonessential has an element of obsession to it. While the valedictorian treats school as a job, working hard to get A’s and follow the rules, the obsessed creative succeeds by bearing down on his or her passion projects with a religious zeal.