Michel Suard, a systemic psychologist and humanist who listens to people who have committed incest as well as to those who have been subjected to incest, but also to the members of the family circle, attempts in this study to question what he calls the "psychologically correct", That is to say, the dominant discourse that wants the perpetrators of incest to be most often perverse manipulators with a high risk of recidivism, that the victims are destroyed for life, that the mothers of the victimized children are always, if not accomplices, at least not protective. Based on situations encountered in his professional experience, he highlights the possibilities of restoring the perpetrator as well as the victim, and even of restoring the bonds. Finally, he questions certain judicial and expert practices, as well as the vocabulary used in these issues.