[He notices how miserable she looks, and he can't help but feel surprised, and then surprised that he's feeling surprised at all, because really, shouldn't he have guessed? With everything you've told him before, about not wanting to hurt anyone... is it any different, here? That you'd refuse to drink human blood.]
[But instead of saying he understands, instead of offering to help her look for the tablets, or go ask Rumple about them, or any of the many things he's thinking about, he blurts out, completely involuntarily and without thinking:]