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I just have a question. I'm curious. For instance when a person suffers from BPD they usually paint people black, have unstable sense of self, push / pull , leaving their relationships like the drop of a hat and quickly moving into another. Projection etc... Is this just symptoms of BPD? Or do other Personality Disorders exhibit this same type of behavior?

NPD differences:

Are more stable, still lack a sense of self but have a consistent projected image

Will only leave a relationship usually if supply runs out or there's a better option  (won't sabotage a "good thing" like BPD)

Don't really push/pull

Otherwise it's the same.

You'd have to speak to someone with more knowledge on ASPD or hpd for those ones

It's not a straight forward answer. Some or all of those behaviors could be part of:

• immaturity,
• short term mental illness (e.g., depression),
• substance induced illness (e.g., alcoholism),
• a mood disorder (e.g., bipolar),
• an anxiety disorder (e.g., PTSD),
• a personality disorder (e.g., BPD, NPD, 8 others),
• a neurodevelopmental disorder (e.g., ADHD, Aspergers), or
• any combination of the above (i.e., co-morbidity).

Generally, each of the personality disorders has a characteristic emotional response pattern.

Some personality disorders are characterized by emotional sensitivity and a tendency to experience feelings with great intensity.  Other personality disorders are characterized by little or no emotional response, regardless of the circumstance or situation.  Yet another set of disorders are characterized by bouncing back and forth between these two extremes: from being overwhelmed with intense emotions one moment, to feeling numb and disconnected in the next.

The ten diagnoses in the DSM-5.0 represent ten specific enduring patterns of thoughts, feelings, and behavior. However, each of these ten patterns can be distilled down to four core features of personality disorders. In order to diagnose a personality disorder a person must exhibit at least two of these four core features.

• Distorted thinking patterns (thoughts)
• Problematic emotional response patterns (feelings)
• Impulse control problems (behavior)
• Significant interpersonal problems (behavior)

The 10 personality disorders are: Antisocial, Borderline, Histrionic, Narcissistic, Avoidant, Dependent, Obsessive-compulsive, Paranoid, Schizoid, Schizotypal

Three of the core features are related to feelings and behavior.  One is related to thinking and is often most challenging for partners and family members.  Common thought pattern distortions are:

• extreme black-or-white thinking patterns;
• patterns of idealizing then devaluing other people or themselves;
• patterns of distrustful, suspicious thoughts;
• patterns that frequently include unusual or odd beliefs that are contrary to cultural standards; or,
• patterns of thoughts that include perceptual distortions and bodily illusions.

More here: https://bpdfamily.com/content/what-borderline-personality-disorder

From my understanding all cluster B personality types exhibit similar behavioural patterns but their mindsets or reasons for attachment differ. As in, the reason that they behave in a similar or identical way is for a different function and cause.

Cluster B is described as "A group of extremely egocentric people who have an extreme difficulty seeing any reason or need to regulate impulses... This is why they are all in cluster B... the dramatic, emotional and erratic cluster." I would describe it like... .they are just different flavours or styles of unstable personalities that share the same underlying issues in relation to emotional regulation and impulse control manifesting in similar ways...

On the surfacey side of things yes, they all idealise, devalue and discard, and recycle and follow that pattern.

Quora has some interesting examples of how personality disordered individuals experience one another. I searched some information on NPD and BPD relationship dynamics and ASPD and BPD. Some pwBPD describe how perfect ASPDs are for them because of their lack of emotionality that does not trigger them as much as others which leaves them craving more-- at least at the beginning and some absolutely hate them for that very same reason. Same goes for BPDs views on NPD and the grandiose sense of self issue they like to feed off. ASPD individual described BPD as overbearing and annoying lol. Some personality disordered individuals who claim to be more self-aware described they know that the other PD is using them or have the same kind of empty shell but it doesn't bother them and that they are more curious about the motives as to why the person is with them. Like they are intrigued/wanting to unravel the mystery of the other PD and what they are up to -- or simply do not care too much about the attachment and after something specific for themselves.

Some PD couples make it work, although dysfunctional, on and off, all one-sided and on a needs basis. They use each other up until they are sick or bored or they feel their supply isn't satisfying for one reason or another such as just already used up and wanting a change of supply. They still run the same course and cycle and for their own motivations. Revenge. Sabotage. Money. Power. Sex. Attention. Feelings of love. Whatever. They are all addicted to one or more of these things and act out in similar ways to get what they want. In my opinion other PDs or another BPD just might handle a relationship with another PD a bit differently than a non but relationships fall a part in the same kind of way.