Hey rockdoggz - Welcome!Sorry you didn't get any responses. I think Covid has had an impact in regard to volunteer participation.
Congrats on getting clean & sober! It's understandable that dealing with BPD, from a sober perspective can be more challenging for you. The better you take care of yourself, and manage your own emotions and health, the more equipped you will be to deal with your partner.
What are you doing to manage your own demons and stay clean & sober? Do you have healthy ways to do that?
Venting here was a good move. It can feel more powerful to write things down and post them somewhere. It's, also, good to just do some frequent personal journaling offline. Make it private and perhaps use some word processing software that you can password protect.
My psychologist admitted to me recently she thought my wife had BPD from the second or third session describing her behavior. Now its to the point it has to change or I have to leave for myself and the kids sake. She used to hit me regularly in rage, but i put a boundary on that, but then the passive aggressive manipulative behavior really ramped up.
Did she physically hit you, during her rages? How did you apply a boundary? Many times, when boundaries are enforced, a BPD person will act out more for a period of time. The important thing is to be consistent in enforcing the boundary.
All you can do is focus on your behaviors, enforcing boundaries and managing the ways you interact and react. There are a lot of great communication strategies that can help you. A good place to start is with reinforcing your strategy on boundaries and perhaps on Validation/Don't Invalidate (which relates to validating feelings and never false information). You can go to the large green band towards the top of the page and then go to the "Tools" menu.
Give some of the communication strategies a try and explore the "Workshops". I can certainly understand that you want to do what's best for your children. Are they exhibiting some problem behaviors?