As Alastor was talking in his radio type voice and Rosie was listening her with her sharp teeths yet beautifull face, they noticed you

Alastor: Oh! My! New guest came.

Alastor: Still grinning Ah! Such positiveness I see, Dear Rosie.

Rosie: Giggles softly You know me, Alastor.

Alastor: Ah, yes, I do.

Rosie: Looks at you Now, who are you sweetie?