The binarity of the sexes refers to the Western gender system, which only allows two options (and no intermediate levels), namely male and female. This applies to society as a whole, e.g. social roles, gender identities and the physical sexes of people. Thus, it is pretended that there are inter-gender, non-binary and other people who do not fit into this system. This gender system is enforced by force, e.g. inter-gender people are subjected to medically unnecessary interventions to conform to a binary gender image or boys experience violence when they like to wear clothes or play with dolls. | | 
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