If you have had fatigue for a long time, you may have stopped doing a lot of things that you used to do. Some may be big parts of your life, such as working, socialising or studying. Others may be quite small things, such as paying bills or phoning people. Whenever any of us stop doing things for some time, we lose confidence in our ability to do them. It may be that a lack of confidence in your ability to do things, or worry about things not going according to plan, is stopping you from resuming your former activities.