Borderline Personality Disorder (BPD) is a condition characterized by difficulties regulating emotion. This means that people who experience BPD feel emotions intensely and for extended periods of time. It is harder for them to return to a stable baseline after an emotionally triggering event. BPD requires a medical diagnosis.
People may experience:
Behavioral: antisocial behavior, compulsive behavior, hostility, impulsivity, irritability, risk taking behaviors, self-destructive behavior, self-harm, social isolation, lack of restraint
Mood: emotional instability, insecurity, anger, anxiety, general discontent, guilt, loneliness, mood swings, sadness
Psychological: depression, distorted self-image, grandiosity, narcissism
Also common: feelings of worthlessness, thoughts of suicide, impaired social relationships
Consult a doctor for medical advice.