What I consider hard physical exercise, you musclemen could do in half the time and on a mama-chari -- but it's still hard physical exercise for me. Hard physical exercise is something I'd successfully avoided for decades and so I'm not used to its effects. There's a pattern for the day after: though my muscles feel fine (a sign of insufficient punishment?), in general I feel ... blah. It's as if I'd had two beers too many the night before. (Not five too many: I don't have a headache.) Though I usually enjoy a brisk walk to the station and back, I walk slowly and would rather be in a taxi. Very darui, and I feel that in effect I'm wasting half the day. I don't skimp on liquids, but should I push myself to drink still more? Or is there some other simple thing I'm overlooking?