Before my finger could twitch, my adrenaline-fired fear was suddenly gone. In its place I felt a wave of calm sweep over me. The trembling in my arms stopped, my hands relaxed their grip on the Beretta, and I actually smiled, so at ease did I feel. It was like the mellow rush of a tranq patch, hitting with a rush that affected body and mind at once. My muscles felt as relaxed as if I’d just been given an hour-long massage, and my mind had entered the calm you experience just before a sound night’s sleep .. .