What you got to look out for at the bar is the ABC because if they think you've been served too much they'll shut down the bar. So, be on the lookout for extra people around that aren't the usuals.
1) GBL
2) Water
3) Coconut water straight from a coconut
4) Coffee/tea
5) Red wine
6) Coke zero
7) Kombucha
8) Everything else, except super sugary drinks (I'd rather eat solid food than drink a bunch of calories)