Yesterday evening I pedaled along behind the Spouse at the Delaware Park loop. I act as his traffic break, his pace car, and his medic when his new roller blading skills fail him. Sometimes they do. I carry a phone (for 9-1-1) and cash for the hospital snack bar in case we get stuck in the emergency room before dinner. Last night he was skating along just fine and I had the time to look around, to think about something else. I pedaled along and marveled. Everyone, EVERYONE on the loop wears technical fitness gear. I saw compression shorts and tops for running, rollerblading, biking, power walking, ambling, and baby carriage pushing. There were sneakers shaped like feet. Running shoes like tiny, complex space ships. Walking sticks made of a fantastic alchemy of carbon fiber, tungsten, and leather. Biking pants with the bike built right in I think. And the bikes – they were lean and elegant, like arrows whirring along the path. The male long distance runners from nearby colleges ran in a line …