When we have matured like fine wine, our energy levels slightly diminish (I have no idea where they go), and we are less able to do the active things we did in younger days, for long periods of time. I’ve noticed that after an hour of washing floors I need a five minute break, whereas ten years ago I could carry on for at least another hour. When I am expecting George, my 7 year old very active grandson, I have to prepare myself for the event. George is the baby of the grandkids. All the rest are grown up,…