The craving is a lie - it’s the habit of turning to addiction to fill some kind of “need”, but the need is not real.
It’s a good time to take a walk, follow the old expression “move a muscle, change a thought”. Join an online meeting - search around, there are thousands of free ones. There’s a list of groups here (and there are also good podcasts and books, which is another way to pass the time):
Take care and keep reaching out.