Burnout is nothing but a state of complete exhaustion of your physical, emotional and mental self, and this stage is reached because of a prolonged stress. When you are burned-out, you will feel a lot of negative emotions inside you such as low productivity and energy, anger, resentment, hopelessness, bored, unappreciative. You are under constant stress and you don't have the enthusiasm to do anything. These signs should be recognized immediately and help should be taken.