"The feeling was electric-energy humming through my body. I felt like blood was pouring into areas of my tissues that it had not been able to reach for some time. It was relieving and healing, subtler than the feeling from getting off on drugs, but it was detectable and lovely, and of course, there was no hangover, just a feeling of more ease than I could remember. I felt a warmth come over me similar to what I felt when I had done heroin, but...