If self-mutilation shows paradoxical strategies for silencing the excitation of puberty in adolescence, it also bears witness to the traumaphilia that operates within a context of narcissistic filiation. The case of Theo shows us how important it is to recognize the bonds of interdependence between the parents and the young adolescent faced with trans-generational issues. In fact, the problematic underlying these behaviors seems only to be able to elaborated after the traumatic tensions which are the basis of the lack of differentiation and the violence in intergenerational bonds have been put into perspective.