he talked about what to expect and how to handle various difficulties that might arise: “paranoia, spooky places, the feeling you’re losing your mind or that you are dying. “It’s like when you see a mountain lion,” he suggested. “If you run, it will chase you. So you must stand your ground.” I was reminded of the “flight instructions” that the guides employed at Johns Hopkins: instead of turning away from any monster that appears, move toward it, stand your ground, and demand to know, “What are you doing in my mind? What do you have to teach me?”