In most states I think you can pretty much do everything you want except drink at 18. You can vote, smoke, chew, etc, gamble, corrupt yourself with pr0n, sign up to possibly die for your country. But God Forbid you have a beer. Oh, and you've already been driving for 2 years by the time you're 18 so you're responsible enough to do that too. I hate the 21 rule, sorry for my political rant. Happy birthday! Enjoy it! And if you're only the 18 legal, have some fun and risk a minor and have a beer or two. If 21, or in another country, even better. Rock on!