Originally Posted by least

There is no point in debating "why" he dumped you or why he uses drugs. The only debate is with yourself as to how you're going to move on from it.

I'd suggest totally cutting him off. Block his number. Don't call him or anyone connected to him. He obviously isn't relationship material so let him go and build yourself a good life.

Like my dad used to say: when you're alone, at least you know you're in good company.