Write off that slip and don't repeat it. Start taking Milk Thistle, Vitamin B1 and Vitamin B12 in high doses (discuss dosages with a pharmacist as I don't remember).
Your liver can regenerate as long as it's not cirrhotic. It's the one organ that can. I think your lover would want you to live life to the full and meet her/him again when you die of old age.
I know quitting alcohol is hard - trust me I know. It's so worth it though. See a doctor about Naltrexone, campral or antabuse if you haven't already. Get as many people in your corner as possible.
YOU CAN DO THIS.