Some Dialectical Behavioral Therapy might be the way to go if you meet someone like this. It was designed to help people with Borderline Personality Disorder.
Here’s a list of criteria for BPD with the acronym IMPULSIVE
- Impulsivity [at least two areas potentially self-damaging : spending / substance abuse / recklessness]
- Mad: Angry outbursts – intense or inappropriate
- Paranoid : BRIEF stress related
- Unstable relationships [marked by extremes of idealization & devaluation]
- Labile [affective instability due to marked reactivity of mood : ex. intense episodic dysphoria / irritability / anxiety]
- Suicide/self‐harm [behaviors / gestures / threats / self-mutilation]
- Imagined abandonment [frantic efforts to avoid real or imagined abandonment]
- View of self [markedly & persistently unstable self-image or sense of self]
- Emptiness