He sounds like a train wreck and I hope he gets his life together. But he’s not your responsibility.

It sounds like you never wanted to be in a relationship with him, but you landed in one (pilot pun). There’s something about this that has compelled you.

When you say you try to tell him no, but he doesn’t let you, well, your not trying hard enough. No means no.

You can’t be just friends with him. You have to really cut ties.

Don’t let anyone guilt you into thinking his unhealthy coping is your fault. It is not your mission in life to fulfill his dreams, especially when those are not your dreams.

Take a break from your cell phone and social media if you have to in order to get rid of him. Move if you have to. Make it very clear it’s over. Get protection from police and support from others if you have to. Don’t keep engaging him and he’ll get tired and move on eventually. This is going to be a difficult break up with a volatile person. You must do this for yourself.