A pattern of unstable and intense interpersonal relationships characterized by alternating between extremes of idealization and devaluation. Frantic efforts to avoid real or imagined abandonment. Identity disturbance: markedly and persistently unstable self-image or sense of self. Affective instability due to a marked reactivity of mood. Chronic feelings of emptiness. Transient, stress-related paranoid ideation or severe dissociative symptoms. Inappropriate intense anger or difficulty controlling anger. Impulsivity in at least two areas that are potentially self-damaging. Recurrent suicidal behavior.