Even the self-confidence drops

For many, this affected a great mental burden - they are easily fatigue and finally believe that they are actually no more tangible benefits can provide. They can be long-term sick and take leisure activities are no longer true. Because of incapacity and in the last consequence of social isolation. 
For those concerned, it is difficult from this vicious circle of experts called out alone. You need in this case professional help. The visit to a doctor and the initiation of therapy is often mandatory.