While no where near as dramatic Sephora's lovely story, I am reminded of an incident a couple of years ago with my wife. While she is not really into wetting or WS, she knows that I am and is quite accepting. She also know that the sound of running water gives me the "urge".
On arriving home one afternoon after a long ride, we got to our kitchen door and as I was unlocking it it must have been apparent to her that I was doing a discrete version of the "pee dance". When I opened the door, which opened into our kitchen, she brushed past me and turned on the kitchen sink water full blast, then