I think that's because you're more durable. Or have recovered to her satisfaction.

[Alucard feels his bloodlessness the more he speaks. It's why he can't protest at the pillows being piled up behind him, and oh. Oh he hates this. There's a catch here, he knows it. Because this? This is more than just food for food. This is something else.

He looks at the tray though, and his stomach betrays him with a furious growl. He sighs, reaching for the meat with trembling fingers.]

Are you going to observe me while I do?