American businessmen presumably feel unhappy because they feel life is full of struggle and they have to do lot o effort for their survival. People struggle for life to gain dignity. They not only struggle to get better facilities of life but also have fear to fail in society. People are not only struggling to get the all necessities of life, but they are also busy to impress their neighbours. They struggle to outshine their neighbours. There is no difference between struggle for life and struggle for success . Actually the struggle for life is the struggle for success
