As a joke, you put up an AirBnB rental in Manchester that "guests will be expected to abide by 'free use' norms for the duration of their stay". You didn't remember you did it and no one reads that far. At least, but until this unusual late-20's American tourist... (Image AI, credit to gulyasdavid1999 https://www.deviantart.com/gulyasdavid1999/art/B4533-1147578849)