I was dx'd BPD many years ago, and I don't know for certain that I do have it; could just be PTSD from a number of sexual assaults. However, be that as it may (6 of one, half dozen of the other -- still some darn erratic behaviour from me), yes, in my case at least, it got better. However, it is absolutely essential for me that I be aware of my need for structure, for constructive, creative self-expression, and for routine. My husband is great. From my perspective, never having thought of myself as a "normal" person, it's wonderful to be with someone who has never, ever said or thought (apparently) that I was anything but normal -- which I find hard to believe, but seems to work for us. He's very into his job, which works well for both of us because I just kind of orbit around him, and he enjoys my intensity without being overwhelmed. We've been together for about 15 years now. He doesn't denigrate my feelings when I'm upset about something, but he doesn't join in with me, doesn't take over the problem, he just seems to expect me to be okay. And then, I am.