Bipolars and Borderlines both create their own world. Sometimes it accurately reflects the real one. Theirs will mutate to suit their perspective, which changes over time. They may forget the details that they once found to be traumatic and later wonder why you no longer communicate with them. Until they reach a point of permanence (which they might never do) any relationship with them is based on quicksand. Since you live in a small community eventually more and more will realize the hazards of relating with them. Unfortunate. But that's the reality of BP's