Mental health professionals estimate approximately 1.6% of the population meets criteria for borderline personality disorder (BPD), so chances are you have at least one friend with BPD. Unfortunately, the borderline personality disorder symptoms and behaviors associated: such as manipulation, self-harm, and emotions like an intense rollercoaster--can make staying friends difficult. Since we already did a video on things your friend with depression or anxiety wants you to know, we thought we cover one on BPD too. Hopefully, you will find this video helpful.