Other symptoms of BPD include impulsive behaviour, intense and unstable interpersonal relationships, unstable self-image, feelings of abandonment and an unstable sense of self.
People with BPD often engage in idealization and devaluation of themselves and of others, alternating between high positive regard and heavy disappointment or dislike.
It determines a person’s physical, mental, and emotional responses to certain situations.
A personality disorder is a mental condition that prevents a person from thinking and behaving in a flexible way to conform to social expectations.
Schizoid personality disorder (SPD) is a personality disorder characterized by a lack of interest in social relationships, a tendency towards a solitary or sheltered lifestyle, secretiveness, emotional coldness, and apathy.
Affected individuals may be unable to form intimate attachments to others and simultaneously demonstrate a rich, elaborate and exclusively internal fantasy world.
If autism is hyper-masculinization of the brain, it may help to think of BPD as characterizing hyper-feminization of the brain.
Personality refers to the mental, emotional, and behavioral characteristics that define the psychological identity of a person.
This is not a marriage, it is an inequitable partnership.
The PD may say they want a healthy marriage but their actions frequently create an unsafe environment for the spouse to be transparent.
Thus, SPD is thought to be a "schizophrenia spectrum disorder".
Critics argue that the definition of SPD is flawed due to cultural bias and that it does not constitute a mental disorder but simply an avoidant attachment style requiring more distant emotional proximity.