Therein lies the key. As we age various elements, physical and mental, confront us. I was an Air Traffic Controller for 35 years. Was I as efficient in my latter years, probably not. But the solution is to recognize and adjust your standards.
In ATC that may have meant to limit the number of aircraft under my control at any one time. In hockey I have been fortunate to play in age and talent levels suitable to my abilities. In my mid 50's I quit hockey for a couple of years (osteoarthritis) but upon retiring my wife and I moved across Canada to a drier, warmer climate. This provided some