Hi my friend,
You can get through that party. Remember, to think it through. What seems like a good idea at the time will end up being very painful and costly to the soul the next day. Then the guilt will eat you up inside. So no matter how tempting the thought, just remember that the situation will not last forever.
Take extra precautions to protect your sobriety. Remain on guard and do not let your guard down. Alcohol is sneaky. Don't listen to the thoughts.
I'll be thinking of you my friend.