In , most Americans held the traditional Christian belief, shared by Muslims and Jews, that premarital sex is wrong. Since then, public opinion has changed, and most people now think that premarital sex is okay, even healthy and good. Our grandparents were right, and we are wrong. Men are eager for it and use women for pleasure when they can get away with it, but women are naturally choosy and coy. They prefer sex in the context of a committed relationship. In this respect, it contrasts sharply with marriage, which creates a harmony of genetic interests.

The change in the 20th century of American society in the scope of premarital sex is the dramatical increasing of premarital sex behavior. According to the survey data, in the past, premarital sex rate was low, and premarital sex will often lead to marriage. In other words, in Sweden, people enjoy the high degree of sexual freedom and gender equality. Premarital sex experience benefits us both physically and psychologically—conducive to health, because of the urgent need, not towed until adulthood.

Family is an important environment that is associated with a range of social and emotional behaviors of children. Twenty-six single males and females of years who were living in Isfahan participated in this qualitative research study. The participants had begun to have some form of sexual activities. Twelve other participants including parents, teachers, school counselors, clinical psychologists, family counselors, and health care providers also took part in the study. Data collection method was based on semi-structured interview and observing the sexual actions and interactions of youths at different levels.