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Summary :
Male identity, in a concept of evolution, is an integration of biological, psychological and cultural factors. Male identity stands on three powers : sexual, economic, and reproductive power. While in the past work autonomy, sexual maturity, and possibility to exercise sex, were synchronic, today this is no longer possible. The order of the "power pillars" which maintain male identity has changed with the years. Nowadays, sexual potency has become more important. The interdependence between social-economic power, sexual power and reproductive power weakens male sexual identity.