Sirius pushed off the wall, standing up straight without his shoulders slumped or sagging. He looked more like himself, his arrogant cavalier self, as he posed the question, "Does kissing you, right here, right now, qualify as reckless and stupid?"
Snogging in a public place held a lot of appeal to Sirius. Didn't help that it was the library. The library made him recall a few old memories in the Hogwarts library. Well, maybe not memories so much as the memory of a few lascivious thoughts his sixth and seventh-year self would have. Thoughts that would have made Madame Pince faint from shock.