One night was especially bad. He was having a nightmare, and his sweat streamed from his face to his chest. He jumped up out of bed sleepwalking. He had his arms in a gun hold, and he was pointing it at me. He told me not to move, that I was a prisoner of war. That his buddy was coming around the corner right now and they were taking me in. He grabbed me out of bed, took my arms behind me, and pulled them tight. I kept yelling for him to stop. "Will,...