Killias suggest that the separation of children from adults related with the development of the educational system.
Common effects of sexual repression, especially sex-negative education, are:
This may be harmful especially for the children involved in pedosexual relations:
In USA, sexual repression goes so far that even touch becomes disallowed. There seems to be an increasing interest in reinterpreting some child sex play as sexual abuse. (see such a "scientific" attempt: Lamb & Coakley 1993).