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,...

I have gotten flashbacks of a timeframe that I think is connected with her though. It seems to be Jr high, and I think her anger feels very CITY. Like, living on the streets feel, and teen runaway feel. She may actually be constructed from books I read at that age....is that weird? Do DIDDERS do that? (DID people)
Anyway, I read a bunch of books about teen runaways, druggies, and prostitutes when I was a kid, she might have her persona based on that, but I can't really say for sure.
Just,I sometimes go flying down the stairs accidentally, or am tempted to so have to watch myself.