Can someone with BPD change if they meet good people?

I've been dating for 3 months and he has been introduced to my parents twice. He has a good opinion of my parents. If he knew my mother had BPD he wouldn't see her as nice anymore obviously.

My mother likes my new boyfriend and is getting along with his mother too (told me they seem like good people); well for now. I'm keeping things at low profile, not sharing personal info. Is it possible for people with BPD like my mother to change if they meet good people?

My mother has caused drama in the past (she caused a past break-up too) and used to get worse with her mood swings if drunk. My father and I have been keeping her away from alcohol and making sure she's on track with her mediations.

Note: BPD means Borderline Personality Disorder
Can someone with BPD change if they meet good people?
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