I'm here for a loved one...

We are in a long distance relationship.. although, a month ago his alter broke it off with me and because I have BDP ( Borderline personality disorder), I had my own attack and only until now was I able to calm down and think logically...

But basically, a month and a half ago, my bf told me he had to give his ex a closure when she was in the country for an event where I was uncomfortable with it but gave in because he wanted to do so. Right before he was going to meet her, he got knocked on the head and robbed. Because I didn't know where he was the whole night, I had my own attack and led to us having a few cold fights where his alter told me that he never slept for a whole week because he was finding a way to patch things up with me. Right before he left, I got upset at night because I felt as if he may not actually love me and may still be in love with his ex... Only until recently did I recall his alter telling me that he lost his memories and that he recalls memories of his ex being his gf even though it was the past...
This new alter came the next day and I couldn't handle it because he didn't care for me, he didn't care for anyone and he just did whatever he wants to do which was to be with his ex as a friend and I don't know... It was messed up and I let my emotions get the best of me which allowed his alter to break up with me and said that he don't understand why his host would even want to be with me... I blamed myself and thought that if I never existed he wouldn't have to end up this way but now that I have a little more conscious, I just want to know if he will ever be back...

I talked to his alter a few days ago and he said that they haven't been talking to anyone and that the person I know is around but isn't who he is. He said that the him now is emotionless and heartless... I asked about the other alters because I remember one of his alters was with another one of my alter(?) but he told me that he shut off every other alter and that the host is all alone.. He said that he is making him depressed so that he would come back... I've been trying to find sources of how to help him but asides from being patient I don't know what else I can do... I really want him back and I really love him as a whole and every other alters he has... I blame myself for everything that has happened but I just really want to be happy with him... I asked his alter if me and him are really over and he said that he would love to say that there were no more chances but he could feel that the host still loves me... Would he come back... What can I do... I really just want to be with him but I can't because I'm miles away... Could someone give me some advice...