She didn't expect a thank you, not if she thinks of him as how she acted towards people when she first got here. Unlikely to take handouts, not wanting to admit they were needed. Knowing it helps is enough, it sets her mind a little at ease just to know he'll have something if he's attacked.

"If you think of anything else that does," she offers, and doesn't complete the thought. He'll know what she means and if she doesn't say it in completion it might be easier to swallow.