if you leave any alcohol without a cover on for long enough the alcohol will start to evaporate, especially if its warm.
i read in an old book one time that you get drunk off stuff cause the alcohol evaporates and goes to your brain
![Sad](http://www.i-mockery.com/forum/images/mockery/emoticons/frown.gif)
dunnno if its true though
![LOL](http://www.i-mockery.com/forum/images/mockery/emoticons/laugh.gif)
thats why they called them spirits.