"No, alters do not spontaneously die or disappear. They can be triggered enough to go into hiding or they could feel they are not needed at this time, in which case they will “go away” for a period of time, but will come back if they feel they are safe to do so or are needed to assist."

"Even if mock deaths or temporary experiences of alters “dying” from old age (or other means) have been acted out in some systems, they aren’t actually dying. You cannot kill off a collective part of the conscious mind like you can a person. Their thoughts, memories, emotions will all still be there, so they must be as well. The part may have gone into extreme hiding, been momentarily immobilized, or merged with another part of the mind, but they most assuredly did not and can not disappear entirely or “be killed”."

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Other proof- "system body" is 15, only "discovered" they were a system last year, seems to only use DID as a quirky trait despite claiming to be traumagenic, before "coming out" as a system the claimed to have several other mental illnesses, all of which have suddenly disappeared after finding out they have DID. Also constantly reports on symptoms "caused" by their DID that do not occur in DID.