Drinking is great! Drinking too much can also be great! But drinking way too much really sucks - and a lot of the time, we do it by accident. But these Alcohol by Volume glasses will help you drink responsibly.
Each side corresponds to beer, wine or liquor, displaying how much of each constitutes a "drink" - so pick your poison, and pour accordingly. You see, less wine packs the same punch as more beer, and so on. Now you won't have any excuse for filling a glassful of gin and punching a hole through your roommate's TV after calling every ex-girlfriend you've ever had with your other arm in the toilet. [Think Geek]