Spreading Modern Rationality and forming the New Patterns of Family; a Study of Cohabitation Style in Tehran

In general, sexual behavior shapes in the depth of society and culture and social and cultural expectations influence to a great extent. Also sexual relations in Iran, take place outside of marriage with different reasons and in different forms. Some evidences imply an increasing trend of this style of life among young people, accordingly, this study wants to analyze this phenomenon and achieve an understanding of the meaning and logic of the actors also recognize the wisdom behind it. The study was conducted by relying on phenomenological approach and 20 young people who had the experience of living with opposite sex outside of formal relations are interviewed. The results show that the main and central issue in this form of life is right to choose which is based on rational choice, individual freedom and the chance of situation identification causes the actors prefer these form of relations. The main themes in this category involve the agreement on shape, principles and level of relation, leaving if you prefer not to continue the relationship, increasing individualism and emphasize on individual freedoms and opportunities to identify better positions. Also, the findings show that equality in the division of work, change the look to sexual needs and individualism experience was one of the effective fields on shaping rationality through choosing a homemade relation.