All good things must come to an end. The final countdown to The Twilight Saga: Breaking Dawn Part 2 has begun, and we know you Twihards out there are writhing in anticipation. As you're waiting to check out how the final chapter plays out on the big screen, here are 20 fun things you can do with your friends to pass the time:- 1. Carve a Twilight pumpkin! If you have a hidden talent for t…