Do What You Feel Like Doing. Without Guilt. When Energy Was Not A Problem There was a time when I had endless energy. At least that is how it seems when I look back today. Maybe I did not actually have endless energy. Maybe I was simply too young and too stubborn to notice when the tank was getting empty. Either way, life moved forward at full speed. There was always something that needed to be done. Build a house. Support a family. Buy a car. Learn new skills. Advance at work. Repair things. Help people. Solve problems. The list never ended, but somehow I still found time for things that had no practical purpose at all. I could jump on a bicycle and disappear into nature for an afternoon. I could spend time by the sea, swim for no reason other than enjoying the water, stop to look at flowers, watch birds, admire some strange insect crawling through the grass or simply sit somewhere and enjoy being alive. Back then I never thought about whether these activities were useful. I simpl...