Definitely! Though I do have a good friend that has BPD who is able to give me some insight on certain behaviors. I even got her to read the book Splitting! The whole conversation came up one day when she was over to my home and I left up 2 or 3 tabs on my laptop of Borderline personality disorder... . She asked if she could read it, and I told her of course.
She asked why I was looking at it and I told her my ex husband is pwBPD. That's when she told me about self diagnosing herself and then seeing a therapist about her suspicion.
Overall, she has actually been helpful in some areas (though all BPDs are different)
However I am glad the moderators here don't allow people with BPD to post - because then it would turn into all the other websites (like psychforums etc) This is a safe place for people to post and I like it that way