It is a sedentary age. It is true for so many of us that if we do not deliberately pursue opportunities to exercise, we can remain unhealthily static. Those of us whose work is with words and whose primary tool is a keyboard may face special challenges in this regard. Personally, I know it would be possible for me to spend the great majority of my life almost entirely motionless. I know it would be possible, but I also know it would be neither wise nor healthy.