What drives someone with borderline personality disorder to leave relationships first, even if it causes them pain?

Is it hard to switch off that blunt "kitchen voice" when you're trying to have a patient conversation at home?
How do you identify whether someone in your life is an inspiration or a distraction, and what steps should you take once you know?
When has your phone gone off at the worst possible moment?
How can I stop worrying about society's age-based deadlines and start focusing on what I truly want to do with my life?