Treatment for DID/MPD could be sooooo simple. The first step is to educate the patient's significant others about the mental illness.

Main fact: The mental illness involves memory loss/ amnesia.
Main fact: The mental illness involves memory loss/ amnesia.

Once the significant others understand this main fact, the communication problems, that DID/MPD or any other type of dissociative disorder cause, can be resolved immediately! Then the patient will not have to worry about the weirdness of this.

This one issue could have made me feel safe!