The concept of Multiple Personality Disorder is an idea that is not readily accepted in the psychological world. Many psychologist and psychotherapist do not believe that there is such an illness as Multiple Personality Disorder. It is a common belief that some psychologists somehow brainwash their patients into believing that they have the illness.
The reality is, that yes, psychologists do often brainwash their patients into believing that they have this illness and many other illnesses. That however doesn't prove that MPD does not exist. It proves nothing. It only proves that there are some bad doctors out there. Not just psychologists, but regular doctors, dentist, and even eye doctors, will often do more harm than good. The patient needs to know for themselves what's right and wrong, not blindly trust the PhD.
If you have been told that you have MPD or DID, you need to understand the facts and determine for yourself whether you do or not, and try not to let emotions get in the way.
It is really not as bad as it sounds. You can overcome it.
I forget what psychological theorist once said that we are all a product of our environment, but let me further clarify by saying that our mind's environment, is it's memories. Or more specifically, a personality is a product of it's memories. It would stand to reason that in order for you to have more than one personality, you have to have more than one set of memories. Let me clarify what I mean by more than one set of memories.
If I can take you into the world of mathematics for a bit, specifically into the study of number sets. Set A contains all integers (...,-3,-2,-1,0,1,2,3,4,5,...), Set B contains positive whole number (1,2,3,4,5,...), Set C contains only...