Do you realize rather than put off the difficult tasks you must complete, take them on first? Why? You cannot make your unpleasant tasks go away by simply avoiding them.
Yet, when you get the difficult jobs out of the way early, you earn yourself a wonderful sense of freedom and control and can start to enjoy doing the things you want to do.
Beginning today get in the habit of getting the difficult things out of the way first. Why? It will add more enjoyable hours and days to fill with your pleasurable pursuits.