What's an unwritten rule everyone should follow?
Buzzfeed put together a list (of course) with some classics like not leaving your shopping cart in the middle of the aisle, not starting drama at a wedding or funeral, and NEVER heat up fish in the office kitchen.
Mike insists you never go to the middle urinal, and I say never be a dick to the person handling your food. Check out what everyone else had to say and tweet us with your own or drop them in the comments below!