Yeah, don't worry about the half-life. If you're trying to kick the booze, look into kava kava, it's a great alternative and is non-addictive, no withdrawals and can intoxicate you in a very similar way without feeling too fucked. I grew to hate how feeling drunk felt even though I was an alcoholic for years. One day I was just like, hey, this kind of sucks, I want to just get stoned and trip more, and that's ultimately what I did.
But yeah, do look into kava, it's great. Only problem is your skin might get pretty dry after awhile of using it but moisturizers help. In Fiji, where kava originates, their alcohol use is much lower than most of the world, it's the national beverage of Fiji. It goes back thousands of years.