I would argue that to be a good writer, you need only to understand the human psyche. To be a great writer, you must delve more deeply into the interactions of humans, social and otherwise, than most people think possible. Not, necessarily, to psychoanalyze people – I have issues with psychology as a science, hence the title – but to truly understand what makes them tick, and to be able to predict what they will do faced with a given situation. Only that reaction isn’t going to be the same from person to person. One will freeze and be unable to react when the sound of gunfire rings out. Others will run toward it, knowing lives are at stake and even if they must lay down their life, they must respond in times of crisis. As a writer, one of these is the hero, the other the forlorn sidekick –…