Ephebophilic Men Over 30 Are Obsessed With Youth & Afraid To Die Alone Ephebophilia is the primary sexual interest in mid-to-late adolescents, generally ages 15 to 19. The term was originally used in the late 19th to mid-20th century. It is one of a number of sexual preferences across age groups subsumed under the technical term chronophilia. | Soncerae Monique