One of the many jobs writers have is identifying timelines, looking for openings and closings, beginnings and ends. Whether it’s with sentences, paragraphs, chapters, or the stories themselves, there are places for you to dive in and others where you must fade out. Any story is just an encapsulation of a period of time and no matter how much you’re enjoying it (or not, in some cases), there must be a time to put it to rest. Ending a chapter—both in life and in the craft of writing—can...