My Boyfriend has DID and I need help

I've been with my Boyfriend for about a year and it has been a little difficult dealing with one of his alters lately. I've always had trouble dealing with this particular alter because he's the most destructive and violent. He abuses alcohol and sleeps around with other women. From what he's told me, he has slept with over 50 women.

Yesterday, I found out that this alter has been on dating websites, chatting up various women with the intention of hooking up with them. One of the women he chatted up was his brother's friend. His Brother confronted and humiliated him in front of his other siblings. My Boyfriend hasn't told anybody in his family about his DID because he believes that nobody would believe him.

How do I help him mend his relationship with his siblings? How should I react to his alter contacting other women?

Try by writing a letter to the alter that concerns you. Leave it for your boyfriend to see, and that alter might react to you. The alters intent might be for wanting you to break up with your boyfriend. Then again he might want you to realize he doesn't like you. All alters have their different perspective from the same POV. And you might want to keep this to yourself help be ready to tell his family in his own time. He may not want to put the blame on them when it might be in fact part of the problems beginning. This is just my opinion. I'm an angry alter, but have calmed down a lot since I've been with panther for five years. It's difficult to have so many personalities in one body.

Here's what I know.

You can't fix someone else's family. And if you try, no one will thank you for it.

DID people are systems. That means all of us are responsible for what any of us does. It's not fair but that's the way it is.

Sacrificing yourself for someone who's mean isn't about them it's about us. And it leaves deep scars.

In the end you'll do what you have to do.

Colin