Maybe he hadn't thought the war through. It had seemed like simple fun when he had first pictured it, with a glorious beginning, a difficult but valor-filled middle, and a victorious end. He hadn't accounted for the fact that there might not be much of a resolution to the battle, and he hadn't imagined what it would feel like when the war just sort of ended, without anyone admitting defeat and congratulating him for his bravery.
