I was taken aback by the sudden feeling of sadness. It was in a slightly quieter moment in a reasonably busy day when I slowed to the least possible motion. Literally. Standing motionless feeling sad. I wondered for a moment if it were a blood sugar thing, whatever that means. Certainly it felt like a chemical reaction that was not of the happy chemical type. And I wondered if this was the feeling of things to come. But stiffness and aching are the feelings of things to come