I suppose it depends how volatile you are. My emotions change hour by hour minute by minute and when I finally get down to writing ( after incredible drama and procrastination) I go at it like a madwoman, but I';ve no doubt that varies from person to person.
Dear Stuart, These graphs MUST be wrong, the USA/"North America" is rapidly becoming energy independent because production is booming! Your graphs do not support this view, please correct,SincerlyDr. F. BirolChief Economist IEA