[She just smiles. She's glad for the concern, and she gets it. She knows he's not really questioning her control so much. Although that sort of thing is understandable.]
I've went plenty long before without being allowed to drink.
[Not that it's comfortable. Not at all...]
You don't have to worry. Where I come vampires don't need blood to survive, so I'd rather focus on actual food. [It's their sanity that becomes affected, but even then she wouldn't hurt someone. All of that aside, she has a mutual donor so she isn't concerned.]