Welcome to SR! You have come to the right place, there are many wonderful people here to support/help you! :ghug3
I think he's started up again and it's my fault.
I couldn't tell from your post if HE thinks it's your fault, or YOU think it's your fault. Either way, I disagree with this 100%. If he is drinking again, it is entirely his choice.
Hang in there, keep posting/reading!