PSA: I’m thinking out-loud, here. Pure, unmitigated stream-of-consciousness. My interior filter seems to be on an extended vacation, so for the readers looking to get inside my head: it’s your lucky day. To that end, I’m preparing to discuss a topic of which I have no formal experience or education.
If my writing doesn’t reveal the infantile grasp I have of this material let a formal warning do the trick:
I am, in no uncertain terms, a complete idiot. Take nothing on here (or this blog for that matter!) for granted. My last intention is to mislead readers about the nature of this very serious condition — these are simply the passing thoughts of an attention-deprived young man with entirely too much time. You have been warned.
I’ve often thought to myself about multiple personality disorder. It’s an inherently fascinating condition to me for a host of reasons, the strongest of which is that I spend a great deal of time, well, talking to myself. Nobody talks back, mind you — but I do talk to myself to such a degree that many people, if aware, might grow concerned.
Most of it is mindless prattle, though. Frivolous chatter. It’s all there: schedules, distractions, motivations, dreams, desires, lusts, fears, self-loathing, self-pity, countless judgments and decisions, and, of course: secrets. Theyr’e all relegated to the invisible incessant voice bouncing around inside my head.
That internal engine, always stirring, is aimed at making the next breath in my chest rise a little quicker. Whenever the stillness begins to settle-in I invariably grow uneasy. It’s an unhealthy (insufferable?) paradox, but for me: to slacken the tension of my mind by even an inch is to surrender my mind in total. 
Admittedly, most people entertain these same monologues to some degree. We’re a self-reflective species; ever-ready to offer everything from challenges to enthusiasm on any topic to the personal (and affectionate) ego-born identity we call “me”. I imagine that, in some sense, we’re all living with the prerequisites to this condition — we all involve ourselves with these kinds of internal messages aimed at inciting reflection. Of course, for the individuals that experience dissociative identity disorder, these conversations must play out very differently.
//hate everything below this line//
The key difference is that, for people diagnosed with DID, they’ve dropped some of the information’s header. Somewhere along the way the mind forgets where the message originated from, and thus, scrambles to ascribes it to what must seem like a foreign identity within the mind. The mind conjures such a solution if one isn’t readily found. Terrifying.
We’re all one step away, too. All it would take is one little synapses firing off in an unusual way, and the next time we engage ourselves in reflective dialogue we might find someone talking back.
 The bold line line here is intentionally inspired / lifted from Ayn Rand’s book, THE VIRTUE OF SELFISHNESS
There is no greater self-delusion than to imagine that one can render unto reason that which is reason’s and unto faith that which is faith’s. Faith cannot be circumscribed or delimited; to surrender one’s consciousness by an inch, is to surrender one’s consciousness in total.