I don't know the specifics of Dissociative Personality Disorder, as in if the sufferer has multiple personalities simultaneously or the multiple personalities cannot be around at the same time. If the latter then it's just a succession of different personalities masturbating. I have no idea if it's the former.
If more of us valued food and cheer and song above hoarded gold, it would be a merrier world. - J.R.R Tolkien