“Switches among identities occur in response to changes in emotional state or to environmental demands, resulting in another identity emerging to assume control. Because different identities have different roles, experiences, emotions, memories, and beliefs, the therapist is constantly contending with their competing points of view. Helping the identities to be aware of one another as legitimate parts of the self and to negotiate and resolve their conflicts is at the very core of the therapeutic process. It is countertherapeutic for the therapist to treat any alternate identity as if it were more “real” or more important than any other.Guidelines for Treating Dissociative Identity Disorder in Adults, Third Revision”