Luna quickly looks away. Watching... an evil version of herself do such felt... dirty. It was slowly becoming clear that his condition, or willpower, or something else entirely was allowing him to rebuff the Tantabus. Sure, a few ponies have had... erotic situations ensuing that she's peered upon during her nightly duties, but this was... her, in a twisted sense. It felt weird to watch herself tongue-battle the 'Stallion' she currently lay in bed with.