If you want to keep on track, drink at least 3 liters of water the day before you go to the party and they day you go to the party. Also, before you go to the party, eat a normal meal. I know it sounds weird to eat before you go, but you will be less likely to over do it on crap foods. You will go over your calories likely, but not as much as if you were to starve yourself before hand. The next day, get back on track with your water, workouts, and normal meals and don't hate yourself over what is past! I tried this last weekend at a party, and even though I went over on my calories that day by 800 (!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!). I still ate/boozed less than I would have, and am still down 1.8 pounds this week.
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