Sometimes it’s hard to know when you’ve crossed the line from conscientious to compulsive. When you’re in the thick of an assignment, it’s easy to believe that you must spend so much time brainstorming, researching, writing, testing, revising or what-have-you. Often, it’s only after you’ve been working for hours on end that you realize that half the work you’ve been doing wasn’t actually necessary and that you’ve just wasted a lot of time.