Oh, speaking of...

(Speaking of Lauren's most recent comment, that is...)

Patron:  Where's the bathroom?

Me:  It's right downstairs, next to the water fountain.

Patron:  Where are the stairs?

Me:  Um.  Right behind you. 

Patron:  Oh, those.

Me:  Yup.  The same exact set of stairs that you just climbed to get here.

(Luckily, she was very nice about it.  I was having a bit of a snark and it just popped out.)