Help please?

This is going to be a long one i'm sorry.

My boyfriend of two years is going through a horrible horrible time because his best friend of 11 years killed himself this summer. It is kind of my fault. (And before you start in, i know suicide is never any one persons fault blah blah blah. I know. All i'm saying is, he was living an unhappy life just fine, and then i stirred some shit up and now he isn't. And he probably still would be living his unhappy life if i hadn't poked the bees nest.) Anyway. My boyfriend has been doing really really badly since this. He's in a major depressive episode, not to mention he was fairly depressed to begin with. We got into a bit of a discussion today, and essentially what was said is that he wants to take a break to try and deal with his grief and be alone for a while to see if that helps, but he doesn't want to leave me because he loves me and worries about me and all of that. I also really don't want to break up, because he is honestly the love of my life, but I don't want to see him like this. I want him to do anything he can to get better.

What do i do? Should i just break up with him to force him to do what he needs? Should i just stay by pretending like it's fine that he isn't sure about whether he wants to be with me right now? I feel so lost and broken. I don't know what to do?