Since there are limits to which we can influence others in our lives, we can educate ourselves and learn time-tested communication skills - some not intuitive - to reduce the conflict and set better boundaries of behavior.
We may be inclined to use a lot of logical approaches (JADE = Justify, Argue, Defend, Explain) that don't work well with these acting-out personality disorders. They're too often consumed with their feelings (for them feelings = facts, especially in the moment) rather than objective reality. Some more effective approaches are described in our
Tools and Skills workshops board where SET, BIFF and others are described.