A young lady was admitted after taking overdose of diazepam after broken affair. She has history of slitting her wrist previously. Most likely diagnosis is

C i.e. Border line Personality disorderIn Personality disorders - that onset can be traced back atleast to adolescence or early adulthood; the behaviour detes markedly from the expectations of individual culture, is inflexible & pervasiveQ across a broad range of personal & social situations.