Here's mine. I'm a single RVer, driving a 'C and pulling a Jeep toad. Although I have a bathroom on board, I have to park somewhere first. I pulled into a Wally World and parked in the back row since I need two pull through spaces. While I was using the bathroom, I heard noise next to me. When I finished, I looked out the side window. There was a guy that had rigged his Class 'B' with side doors open and a shower curtain attached between them. Buck naked, taking a shower.
I briefly considered blowing my horn while pulling away, but I waited until he was finished and dressed. I'm not sure it would have bothered him.