[There's an odd dissonance in him as she moves away - part of him feels a pang, that she's frightened of him even knowing who he is. But another part feels a jolt of pleasure, satisfaction to see the fear in her, even if her lack of living response means he can't really smell it the way he should. He notes the strange reaction with a faint frown, then backs away from her, giving her space.]

I'd thank you, but somehow I doubt you mean it as a compliment.