If you can enter only.
You have no option to exit.
How can you feel happiness ?
In such an adverse situation,
you will find yourself in stress.
How can a person survive,and
revive to his values and beliefs?
It is extremely painful, dangerous and unpathetic to exist .

Some people put barricades at the exiting point.
Life in such hard times
becomes like a paramount.Where climbing is very difficult,when at the same time,man feel himself hungry as well angry to think his miserable surroundings.
Only there is no escape and no existence at exiting point. Sometimes man starts haunting himself for his imprisonment like situation. He feels that he has been caught and trapped in  a cage.
It can be anybody 's page of the life.