Hey, Love.
It sounds more like "Multiple Personality Disorder", now termed Dissociative Identity Disorder by the DSM IV TR.
In history, borderline personality disorder was called manic depressive disorder and often confused with DID, however, theories on the disorders have now been refined.
Here is information on Borderline Personality Disorders:
Borderline personality disorder
Of all of them, this is the one that is most infamous in the therapeutic industry because it is hard to treat
They are impulsive, unpredictable, inappropriate fits of idealization, worship of therapist and anger
Splitting
A defense mechanism that causes us to deal with life with extremes
They talk about being empty and bored
Idealizing and devaluing is classic
Lack of identity
They don’t have a sense of their own personhood outside of relationship
People who attempt suicide when someone leaves them is suspicious
People who self mutilate or cut themselves
Affective instability is how they are and it is hard to treat
Desperately seek stimulation
Most likely known for sexually acting out
Twice as likely female as male
Extreme dependency and fear of dependency
Here is information on Dissociative Identity Disorder:
Dissociative Disorder
Dissociative Identity Disorder
Dissociation from personality
AKA- DID or MPD
Multiple Personality Disorder
Sub-personalities or alters
Primary/host personality
Core personality
Usually unaware of others
Transitions
Switching from one personality to another, usually sudden
Relationships between personalities
Mutually amnestic
Mutually cognizant
They know of each other
One way amnestic
Some know each other
Co-conscious observers
They are observers of what the current personality is doing
Memory lapses
Time distortions
“We” language
Average personalities are 15 for women, 8 for men
3-9 times more common to women than men
Often diagnosed up to seven years after starting therapy
A defense against trauma
Proliferation of personalities continues
Protector alters and persecutor alters
Persecutor alters hurt the core and do things to get everyone in trouble
Treatment goals
Détente
Developing a truce between personalities
Fusion
A goal, slowly getting sub personalities to merge with each other
Internal group therapy
Use of medication to treat depression
Dissociative Disorders
A separation of one part of a persons identity from another
Essential feature
Disruption in the usual functions of consciousness, memory, identity and perception
Ay d dealing with stress
Permits continued functioning
Dissociative amnesia
Dissociartion from memory
Localized
You don’t have memory for a period of time, usual during times of stress
Selective
Forget some but not all of what happened
Generalized
Can forget for entire life
raree
Contiuous
Remember nothing beyond a certain point in past
Dissociative Fugue
Dissociation from place
Flee from home: precipitated by a severe stressor
Forget details of past lie
Adopt a new identity
Fugue state is quite extensive
Minimal social contact
Later canot remember what happened during fugue
Depersonalizatin disorder
Dissociation from body
Either mental processes and or body feels unreal and foreign to them
Body parts feel unattacjed, like they don’t belong to them, or like theve changed sizes
Out of body experiences
Observing self from outside world