So here in this hospital room, there have been many scary moments, especially in the early stages, when I would be feeling great! And something would happen and my energy reserves would be used up without warning. My blood oxygen saturation would start falling, my lungs would start hurting, it would suddenly get harder to breathe, and all these old memories would hit me like a fire hose. My heart rate would spike. "I'm dying!!!" From all is well to sheer terror, usually in le