Beer

only you can prevent...

As the old saying goes - this is the reason I drink coffee...I have never been too wired to drive nor have I (thankfully) walked out of an establishment with a wilderbeast.

LOL LOL LOL- very funny
 
It is called a gauge
when it looks good you need to leave.
 
I would suggest leaving BEFORE it looks good. If it looks good, it's too late. Not that I would know anything about that.