Boy-girl relationship or dating, occasionally leading to premarital sexual behavior, and many party worried about it. Some research showing quite apprehensive rate, in addition by medical practitioner's experiences. With n= 60, and using quantitative methodes, this research conducted on students from different types of senior high school. Results showed that there was no relationship between religiosity and dating behaviors that lead to premarital sex. Religiosity (knowledge, beliefs, and religious practice) that did not make the teenager “don't do anything” in their relationship. We have to considering further studies to increase the number of respondents, include the variable of mass media influence, peer group, as well as demographic (large cities, small towns, and rural areas).