What is Borderline Personality Disorder? Borderline Personality Disorder is a pattern of instability in personal relationships, intense emotions, poor self-image, and impulsivity. Suffering from impotence might also be the reason for this changed behavior. Treat it with Caverta 25. This low dosage Erectile Dysfunction treating medicine is composed of Sildenafil Citrate. The medicine is safe for relieving impotence in men.