They will make personal life decisions that seem childish or so nonsensical it leaves you with a one word question. Why?
^^^I third this.
People with personality disorders are attracted to trouble like moths to a flame. If a woman has a history of bad relationships, run. Even if she is nothing but nice to you, she will eventually make a life decision that will kick
your life square in the nuts.
One of my good female friends is BPD, she's very much aware of her diagnosis and told me about it herself. She's a good person, and I love her dearly, but I also know that I can never date or bang her. I admit that the urge to save her has been strong in the past, but I know trouble when I see it. She checks six or seven of the boxes in the image below
BPD people are incapable of self-control in the long term.