As the gun blasted Amanda it began to restore her intelligence, but quickly ran out of juice - Amanda's previous use of the gun had already spent all the intelligence it had stolen from her originally, making her more beautiful. It had even dipped into the energy it was absorbing from stealing her intelligence the second time. It didn't help that, while Ralph had switched the gun to give intelligence, he hadn't switched it off giving beauty, so the guns remaining charge was split between the two. All it was able to do was restore Amanda from a vegetable responding to physical stimuli into an animalistic level of intelligence which was capable of responding to both physical, emotional and visual stimuli - with rudimentary language skills. It also caused the already sexy body attempting to ride Arnold to develop even more sexual allure, waist slimming as breasts grew and hips and ass firmed.

Right now, the stimuli her body was receiving told her - proceed with this choice of action - this is a good thing, and she told Ralph as much by shouting out "FUCK ME!" as she tore the clothes from his body.