You’re not haunted by the war, Dr. Watson. You miss it. – Sherlock: A Study in Pink. Humans crave struggle; a mountain to climb, that we might reach the top and experience that brief, euphoric moment of pride in what we’ve overcome. We desire purpose, a cause for which we can fight, and a battlefield that gives us the opportunity to do so. But how does this fit into a modern society whose primary function is to prevent this kind of struggle, to protect us from these battles? PTSD and Nostalgia In 1992, a young woman named Nidzara Ahmetasevic was wounded by a Serb tank round in the siege of…