When I'm tired, I can't cope as well with the pain. A loss of control. Sometimes fatigue may make you feel helpless. You may feel you have little control over life. A loss of concentration.
Decisions become more difficult.
It's as if your mind is tired, too. It may be difficult to be pleasant or happy when you're constantly tired. This may put a strain on your relationships. There are many causes of fatigue. Causes differ from person to person.