Hope is what I needed too when I was at my lowest, and I got it and it was... true, don't have a better word for it. At NA we say "don't leave before the miracle happens". I was close, um, to evacuating myself from this planet a few times. And then shortly afterwards the miracle would happen and I would be so happy I waited.
Big hugs – do you think the fact that being in Korea helps so much means that your "normal" location is what triggers the addiction, and if yes, would it be possible for you to change location permanently in some way?