Our expert says:
I didn't see the movie, and while de Niro usually chooses rather good movies, this one sounds like fictitious nonsense. No disorder is triggered so easily. and if it is based on Multiple Personality disorder / DID ( Dissociative Identity Disorder ), then it is irresponsible to make films depicting this condition as real, naturally occuring and interesting - it is a rare disorder aused by naive therapists.
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