This will help you understand

[Alberto]

The forum reduces the image too much so I'll leave the link: www.psychiatrictimes.com/sites/default/files/pt/84436.png

I didn't know anxiety and major depressive disorder were so common, and it explains a lot. Add to this that many also have strong narcissistic traits, and therefore are unable to accept wrong doings, often retorting to utter irrationality (read on narcissistic injury). It should give you a clear scope on what you should be doing for your own sanity.

My pwBPD still comes to see me, but after almost a year I can say I'm fine. I stopped the blame game and I just try to be happy with people that have the capacity to be happy.

It all felt like an addiction, you just have to separate yourself from the substance and rediscover the little things that make you happy. Give yourself the chance to date nons and soon you will apreciate things you had forgotten.

[SummerStorm]

My exBPD currently suffers from depression, anxiety, and PTSD.  Back in May, she struggled with substance abuse (marijuana).  In high school, she struggled with bulimia. 

[antelope]

what makes this more convoluted is the fact that eating disorders and drug/alcohol issues are frequently reasons for the other comorbidities (like depression, moodiness, etc.)

IMO, my ex's biggest issue in her life was her rampant and chronic eating disorder... .after this many decades of disastrous eating, exercising, and purging habits, the malnutrition definitely contributes to her emotional instability