Looks like you may have to make a choice between moderation and the BBing lifestyle.
If you have great genetics, you may still look good going out and caning it on the weekends.
If you are serious about BBing, then you do have to live a much healthier lifestyle than the majority of the population.
Wine is probably the best health wise. Otherwise liquor, no mixer or diet mixer, but again, all in moderation.
Also, if you eat anything with loads of fat after, well, alcohol dominates metabolic pathways, so fat isn't metabolised, but stored usually after alcohol.