"It ended suddenly for Brenda, more slowly for me. My runs began getting shorter and less pleasurable. I'd feel bad after only one day, or only a few hours, instead of four or five days. And I began to want to stop. One of the proudest moments of my life was at a rock-'n'-roll theater in New Jersey. A guy actually put some coke under my nose and I was able to say, "No, thanks," and turn my head away."