Certainly she didn't expect for him to snap at her like that and it takes all the blustering and wind right out of her sails. She quiets, for the most part, jaw set hard. What does she say to any of that? What does she do?

She has nothing she can do in this situation as far as she's aware, this is some kind of storm and there's nothing for her to grab to or use or anything. Her Stand, and by extension herself, are completely incapable of being useful here. What else does she have?

"How." The word is almost hissed, the frustration still clearly there. Not at him, not at the fact she's here, but the clear lack of ability to be useful. "I ain't able to do shit, if you hadn't noticed."