What is borderline personality disorder?!

Borderline personality disorder is a condition in which people have long-term patterns of unstable or turbulent emotions, such as feelings about themselves and others. these inner experiences often cause them to take impulsive actions and have chaotic relationships.

symptoms include:

Fear of being abandoned

Feelings of emptiness and boredom

Frequent displays of inappropriate anger

Impulsiveness with money, substance abuse, sexual relationships, binge eating, or shoplifting

Intolerance of being alone

Repeated crises and acts of self-injury, such as wrist cutting or overdosing

It has many characteristics, fear of abandonment (real or imaginary), suicidal thoughts, impulsive behavior, mood swings, inappropriate anger, fear of isolation.
A personality disorder can only be diagnosed when a person has an enduring pattern of these behaviors.