Multiple Personalities Support Group
Dissociative identity disorder is a diagnosis described as the existence in an individual of two or more distinct identities or personalities, each with its own pattern of perceiving and interacting with the environment. At least two of these personalities are considered to routinely take control of the individual's behavior, and there is also some associated memory loss,...

such things must be disconcerting, at times perhaps even distressing? Not being Multiple I'm no help for you, I'm afraid - except to offer that few of my Multiple friends seem to have much success controlling some Alters, and suggest perhaps to find out what she wants /needs, and try to help her have it?
I hope you work things out with Jennifer
It's New Years Eve in my world. Have a happy and safe New Year
kevin
If she is trying to get away from something, when you know that you could maybe let her know frequently that the situation isnt still happening. If she is looking for something you might want to get what she wants at home. Or maybe she needs a specific Jennifer thing at home?
Its hard as the, I don't know I call it the DRIVER person. You have to be in charge of life so you hustle all the kids in the backseat, or if you are me they have been in the trunk for years!! Sometimes it helps just to have kids stuff for them, cutebthings, kid cups and bowls, ice cream, stuff to honor them and say hi to them.
I think.
Cuz I'm not the best at this, so I don't know....