The rules of the game sound oh-so simple, I agree. But take heed. After a few drinks, you will, and let me repeat that, will start drinking for things you haven't done as well as the things you have, due to the drunken haze as well as the feeling that you should be drinking because other people are.

Other Player*: I have never had sex with a man.
/me takes a drink.
Lord NAgasaki: SHIT! I was confused! I was thirsty! honest...

* Names withheld to protect the innocent.