Has anyone got experience of a long distance BPD r/s, can it even work, or does it just make it all the more easier for them too have multiple things on the go?
Everyone is different, of course. But a long-distance relationship can be great for a pwBPD - it keeps the intimacy at bay naturally through distance, and allows them to more easily have other relationships on the side if they want.
You say you're feeling edgy because your exgf might reappear, and you don't know what to do if that happens. Why does the idea of her contacting you make you worry? What are the possible scenarios?