Essential Verses Non-essential

Back in the day, daily exercise was intended for the body – purely for physical fitness. Today, daily exercise, while it is still (obviously) for the body, it is also equally for the mind, for mental fitness. Show me a truly mentally sound person and I guarantee they exercise. It might be formal or informal, but they move their body someway, somehow. Maybe it’s walking around the neighborhood, or maybe it’s a session with a $100/hour trainer. Maybe...