Not uncommon for other cluster b to take on psychopathic traits as form of survival defence mechanism and coping or even as form of life strategy itself. comprehend this with what I say to you, all cluster b people specifically are more concerned and prioritised than normal people with their own individual needs and desires. Selfishness is what happens when you’ve lived long enough to become damaged to a point you don’t really give a fuck about no one and or concentrated on your own individual needs and survival. Cluster B are negative often failing coping strategies to adverse life experiences and traumas. I’m not condoning I’m explaining this group of disordered people are unstable in themselves owing traumas and has them increasingly likely to adopt psychopathic traits as form survival and getting needs met. Not uncommon for BPD women to adopt externalising behaviours or for a narcissist to become cruel or for a histrionic to lie and manipulate. often in case BPD the traits are occurrence from reacting due to stress response. This means they may temporary integrate psychopathic traits into personality to combat stress.