Just what it says in the title, but to provide a little more context:   My PC is a Nord Vampire. SLIF/Fill Her Up were working perfectly well for the first 200 or so hours of this save, but I noticed the issue after the last dungeon I finished. She'd just killed a dragon in Dawnstar, and after the ensuing orgy (courtesy of Eager NPCs), I noticed that her belly hadn't been inflated at all by the four guards who were gangbanging her. At least not until the sexlab animation ended and her