Title: Enemies and the darker side of peer relations
Subjects: Enemies, Psychology, Adulthood, Cross-cultural studies, Young adults, Adolescence, Adolescent Psychology, Adult, Cross-Cultural Comparison, Peer-Group, Feindschaft, Aufsatzsammlung, Kinderen, Vijandigheid, Psychosociale ontwikkeling, Interpersoonlijke relaties, Age groups, Psychological aspects, Hostility (Psychology), Interpersonal relations in children, Interpersonal relations in adolescence, Aversion, Child development, Adolescent psychology