What strikes me as incongruous is the lock. An outhouse can be the last refuge of the desperate. And that lock means they will have to go around to the bushes BEHIND the outhouse! Hardly the point, of course ... but whatever works in a pinch.
At least it's not a full moon Stefan! HA! I love these old out houses, they're getting pretty rare to find these days. This one looks as if it's still in use, its so well kept Looks like the key is needed at this house. Very funny.