Guide to bear and deal with cheat BPD issue

[canaconstance]

I have a BPD's Boyfriend, He already aware he had BPD, he had tried so hard to change, when his other side that he claimed he can't controlled is to texting with other girls and almost trying to cheating also sometimes meet up and othe pain, but when I ask him to leave the other girl he close to because it's start to leading up to romantic he said  he can't because he can't deal with the pain of losing someone, but it's meant he also hurting me at the same time, but in the other hand he also can't deal with the pain if I'm leaving.
I'm asking about how to deal with the pain that I felt also what's should I do to helping him?

[PLEASE - NO RUN MESSAGES]

PLEASE - NO RUN MESSAGES This is a high level discussion board for solving ongoing, day-to-day relationship conflicts. Members may appear frustrated but they are here for constructive solutions to problems. This is not a place for relationship "stay" or "leave" discussions. Please read the specific guidelines for this group.

[pursuingJoy]

Often, setting our own boundaries is what causes the relationship to shift to a more healthy place, wherever that is. It sounds like you have empathy for your boyfriend's diagnosis and intense pain, which is great, but it's really important for both of you not to put yourself in a position of fixing him.

How long have you been dating? Is he getting help for himself?

[canaconstance]

We have been dating for 3 years, We all tried looking for a professional help but we haven't founded any therapist with an experience of BPD patients in my country, so we are kind of clueless..