Holiday party sobriety test.
 

If your fellow merrymakers start to look like this, you've had enough:

http://www.ebay.com/itm/PRINTING-ERR...item2345f29814

Nice to have thanks
 

I'll print out a copy of this card and put it in my wallet. As soon as Shuble comes into focus I'll know I've had too much.

If you're doing something harder than alcohol you might see this:

http://www.cycleback.com/nightmares_files/image002.jpg


And the next morning you'll wake up feeling like this:

http://www.cycleback.com/nightmares_files/image012.jpg