ADVICE please 😭😭😭

So I've been going out with my BF for over  two years and we talked about our future and I'm already attached to him. . But I have depression and he wants to officially break up with my becuz I bring him down I get him sad over my depression . I don't wanna loose him becuz he's all I got here . 😔 I've tried texting him so many times and we might talk tomorrow how can I keep our realtionship ...