Then it's understandable that you might be triggering off of each other, Bb. The good thing is that you are self aware enough to reach out for help. Looking at ourselves is the start of the path to healing, whether detaching, or trying to improve the relationships in our lives. I think that this is true BPD or not. Finding a good therapist can help. I spent a lot of time and $, and though I previously thought it was a waste, I realized it was worth every penny to get an objective voice and a safe place for me to share. You don't have to do this alone
BPD Family, however, is geared towards helping people work on themselves to improve the relationships they have with loved ones in their lives who have BPD, and also for those who are detaching from failed relationships. As such, many of the threads here you may find triggering. You may be able to better connect with more appropriate resources, and those who may better share similar stories here:
Resources for BPD SufferersTurkish