We started as long distance and then I finally gained enough courage to meet him. I was blown away, he was everything I had hoped for, I was head over heals from that first time.  I went back to my work in another state and one day he calls me to tell me he does hard drugs. Often, every other day. Well my dumb ass felt for his struggle, of course he said he wanted to quit, that he thought he could. I ended up moving back home because my work situation didn't pan out. (He lives in the city I was living in before I moved for work.). He asks for me to come over so we can talk, he confessed he loved me and that he absolutely will stop for me. I told him dude that's not really how it works. 
Now fast forward 6 months I'm still with him it's still a problem he quits for a bit then starts again then quits the starts.  The problem is I have to move from my apartment this month, he's still fucking around and I had plans to move with him.  Today he admitted he fucked up again. I'm at the end of my rope, I've split on him so many times. He wants to be able to support each other but I don't see that happening, he barely supports himself. 
I'm busting my ass to get my own place, I have to keep my boundaries, this is fucking hard. 
I don't really know what I'm getting at I just need some help staying strong. I've told him I do not want this as a part of my life, I have to stand by that. 
Sorry my brain is jumbled.