The article presents theoretical analysis of the problem regarding determination of successful marriage factors in the modern society. It identifies psychological peculiarities of perceptions regarding reasons of successful marriage in teenagers and adults. The study considers their differences and similarities. The study was carried out on the sample of (n = 30) people with various social and age characteristics. Utilization of polls, questionnaires and mathematical statistics methods (Spearman rank correlation analysis, Student t-test) allowed to find out that the main differences in perceptions regarding reasons of successful marriage are «financial security», «children», «emotional bonds», «friendship», «responsibilities». The least significant factors are «spending time together», «shared interests», «similar traits of character». The applied aspect of the problem under study can be implemented in family counseling.