Irrespective of blood tests & the state of his liver, it is how YOU are living now that matters.
Only you.
If he is guzzling 150 units p.w. & somehow liver tests are the barometer of his good health, then there is a herd of elephants in the room playing like a brass band.
Do yourself a favour & cancel your spectator seat at this circus.
Without doubt many posters before me on this thread have given you many anecdotes, testimonies & their lived experience, urging you to get out now, cut your losses & build a new healthier life.
Great that you have a plan that will come to fruition in a fortnight.
You doubtless know things will get worse when you leave, he may well deteriorate as the reality of his situation hits him, & you cannot be involved in this.
You may find Al-Anon family support helpful.
Al-Anon family support
You may need support to work through the fear, obligation to set yourself free.