Borderline personality disorder is characterized by poor self-image, a feeling of emptiness, and great difficulty coping with being alone. People with this disorder have highly reactive and intense moods, and unstable relationships. Their behavior can be impulsive. They are also more likely than average to attempt or commit suicide. Sometimes, without intending to commit suicide, they harm themselves (for example, cutting or burning) as a form of self-punishment or to combat an empty feeling.
When stressed, people with borderline personality disorder may develop psychotic-like symptoms. They experience a distortion of their perceptions or beliefs rather than a distinct break with reality. Especially in close relationships, they tend to misinterpret or amplify what other people feel about them. For example, they may assume a friend or family member is having extremely hateful feelings toward them, when the person may be only mildly annoyed or angry.
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