(that's why she wears a rebreather or mask of some kind all the time. She's not entirely human, and her senses are extremely heightened, so it's like a sensory overload if she's not wearing a mask to dull her sense of smell at least. Loud sounds used to hurt her, but she's deadened that by using lots of loud guns and having to live around a very loud society. It makes her especially thankful of peace and quiet, and the sounds of nature.)