On Bicycles, and.... what else is there?

A friend was visiting town and wanted to do yoga yesterday in lieu of our planned hike in the Marin Headlands. Too windy, she said, which I'd thought was a bit strange from someone who lives in Seattle. But yoga was fine. It'd been months since I'd attended my previous class, at World Gym at 16th and De Haro. The classes at World Gym are surprisingly good considering its reputation for a muscle-bound clientèle, but I wanted to take her to the a place with more of that distinctive yoga ambiance. I had a long-neglected gift certificate to Yoga Tree , so it was time to check it out. As our 11 am Vinyasa session was about to begin, the instructor declared we had "the perfect number" of students. "Plenty of room to walk up and down the aisles," he gleefully observed. I glanced around; the place was packed -- it had to be close to its 60-student capacity. Hopefully I wouldn't topple over on any of the balancings, initiating a domino-like chain...