i started my preop at the end of may and didn't drink anything again until about october...when I turned 21 and pretty much HAD to haha. I can't really do beer any more. I do well with wine and girly drinks like parrot bay's mixed bottles. I played a couple games of beer pong a few weeks ago and got sick. I used to be able to drink a lot, but now I can only have a few..not because I get drunk, but because I'll be really nauseated in the morning. I don't know if anyone else has problems with drinking. My dietition said its ok to drink occasionally, but to stick to thing with lower calories. wine has low calories. margarita and beer has a lot of calories in it.