Blank stairs.

Oh, can we once and for all keep to the right of a narrow staircase when entering or exiting, say, a subway station? Because when you get in my way and then glare at me like it's your first time dealing with stairs, it gets a little fucking old. When you use the left side of the staircase, especially during rush hour, chances are you're going to RUN INTO SOMEONE TRYING TO GO THE OTHER WAY. The Europeans understand this. Even though you have a president who had never left the country before his coronation, you have no excuse, Americans. Stay to the fucking right, K? When you get home to your sad apartments full of cereal and dead plants, you can do whatever you want.