I didnt drink till I was 19. And just beer... which led to chugging 40's. By the time I was 20, I was hitting the bar pretty frequently. I'd do shots of whiskey with chasers, but good old Bud Light was the drink of choice.
That's the back story to get to the moral of the story.
Even tho I drank a lot, only ONCE have I ever drank to the point of being sick and blacking out and that was on my 21st birthday, which was about 12 long islands, 2 shots of tequila, 2 glasses of beer and who knows what else.... that was not good!
After that I learned my limits. To drink in moderation, know where the TOO MUCH point is. Know the point right before you get sick, that's where you'll have the most fun without it being ruined by after effects.
Also know your bartender!
I know how Bud Light effects me, I know how many bottles I can drink / how long to wait before I'm sober enough to drive.
If you do mixed drinks, different bartenders put different amount of alcohol in the drinks, its EASY to get wasted before you know what hits you. Very dangerous.
If you're in a safe enviroment like your place or a friend's place, you're mixing your own drinks, go wild, down all that you can get your hands on.
The two step cures for the common hangover...
1) sober up before going to sleep. going to sleep wasted, you'll regret it.
2) drink lots of water before you go to bed and right when you wake up.