So the scent he'd caught earlier wasn't his imagination. That was good to know. He never wanted to say anything, just in case he'd managed to get something wrong, and there was no need to scare an innocent person. Mostly.

"You obviously haven't met my family," Sirius replied. Animal cruelty was probably among the least of their crimes. "But since I am something of a black sheep, I suppose I can let you go for now."

Though he'll stick around, mostly because he's interested in who exactly owns the ridiculous dog.