Update ---
Yeah! I did it!!!
I am so lucky to have such a great, supportive family. My niece drank one might (she was hungover the next day), but my sisters decided not to drink at all
Also, they couldn't believe how much money we all saved by not drinking!
We had such a great time, and I am so proud of myself for being honest with them (and myself) . Thanks for all of your support and advice
Renee