Sirius hadn't always been so focused on schoolwork, mainly on Quidditch and pranking. At least, that's what his friends knew he was focused on. He focused on a lot more than that, like people. He thought they were weird, the reason they did the things they did and what justified that. He later learned, after this whole ordeal, that he would love psychology, which was a study of the mind, and sociology, which was a study of people.
So he knew, obviously, when his friends acted funny. Except Peter, and this goes for two reasons – one being that he didn't really consider him a friend, another being that Peter always acted funny.
He couldn't figure out what was wrong, though. If Remus was a Death Eater – which held a whole bunch of questions itself – then why would he bother to hang around them? He realized it was for the Order, which they had all joined shortly after they left Hogwarts, and this made Sirius a bit peeved off. For all the normal reasons, yeah, but why wouldn't he just come off and say that he was a Death Eater and didn't want to be friends anymore? Really, the nerve of leading them on – terribly rude.
But things didn't match up with this theory. The Death Eaters really hated werewolves – aside from ones like Fenrir Greyback – and they certainly showed disdain towards him with any encounters they had, and Remus was a half-blood aside from that, and the dates and times that they had of known Death Eater meetings (which the Death Eaters didn't know they had, mind you) didn't match up with when Remus decided to leave a meeting early.
Things were far too confusing for Sirius, and when this happens he likes to go for walks – shush, it had nothing to do with his Animagus being a dog – and he once took a walk along Diagon Alley by himself at night. Of course, this was dangerous, but he felt confident that he could take care of himself…either that, or freak the Death Eaters out by turning into the Grim and sprinting away.
Anyway, he was walking down the dark pavement, his thoughts to himself, when a light flicked on and sent him rushing behind a bush on the sidewalk, peeking over it to find out what had made the disturbance.
It was a woman, who most likely owned the bookshop she was in and probably lived above it, who had turned on the light to grab parchment, quills, and a few books. She sat behind the counter and began to work, tying her crazy curly brown hair up into a knot on the top of her head before doing so, although her bangs continued to brush across her eyes and make her frown.
Sirius stood slowly in the shadows before continuing on his way, thinking that if he and Moony had been on good, non-suspicious terms, he'd attempted to set her up with him.
