This document provides information on recognizing and understanding borderline personality disorder (BPD). It begins by defining personality disorders and outlining the key traits of BPD, which include instability in interpersonal relationships, self-image, affect, and marked impulsivity. It then discusses some of the challenges people with BPD face and treatments like dialectical behavior therapy. Overall, the document aims to help people understand the symptoms and experiences of those living with BPD.