BV from a particular partner

I never had BV before my new partner, it’s pretty bad and I can control it with boric acid but it still seems to come back. I try to use boric acid and not have sex for about a week between times we have sex, because I’ve had several courses of antibiotics that I either developed a toxicity to or they didn’t work. Usually by then the smell is gone and most of the pain. Has anyone else struggled with this and found a solution? I might be moving soon so I won’t be able to see him except maybe once every couple months , would that make it go away easier since we won’t be having sex as much? Has anyone had a partner that caused the infection but once they broke up the infections also stopped happening? Or is it like once you get BV it’s a life long struggle? ( btw it is due to him disrupting my ph the doctor said that, not blaming him but that’s only reason it could be) I’ve been taking probiotics specifically for vaginal health twice a day, drinking lots of cranberry juice but it doesn’t seem to make much of a difference. no negative comments thanks!