"Yes... yes, of course. Thank you." What a weirdo. In any case, Faust slipped his hand in his pocket and removed a small business card, which he handed to Sirius.

"My card. If you should ever need someone to check up on you." If Sirius should ever find himself the victim of a magical curse, for instance. The card listed a medical clinic and its address, as well as the name of the physician running it: one Johann Faust.