The article represented the results of the comparative study of personal characteristics of adolescents with and without experience of sexual relations. Sample: 405 students (Saint­Petersburg) at the age of 14—16 years: 228 sexually active (128 boys and 100 girls) and 177 non-sexually active (100 boys and 77 girls). Used techniques: “Teenagers about parents” by L . Wasserman, I. Gorkova, E. Romycin; Multi­factor personality inventory “FPI” (form B) by I. Fainberg, H. Sarg, R. Gampel; Gordon Personal Inventory; “Self­actualization test” in the adaptation of the Y. Aleshina, L. Gozman, M. Zaika, M. Croz; The test­questionnaire self­relation by V. Stolin, “The analysis of family relations” by E. Eidemiller, V. Ustitskis and author’s questionnaire. All the adolescents with sexual relations are distinguished from non­sexually active cause of high sociability, tendency to dominance and vigor. An additional factor that provokes a sexual relationship is an emotional distance from parents.