"I'm Sirius Black, with full name." Sirius waited for just a moment to see if there was any reaction, but there wasn't. He had caught on quickly. That had to mean that Remus was mudblood or halfblood, only made sense. "Do you like chocolate? James and I bought waaaay too much on the train, so now we can share."

James and I. That was already kind of becoming his favourite way to think of himself, as part of that duo. He reached behind himself and then held out a chocolate bar that proudly had the lettering 'HOGWARTS EXPRESS' on it, complete with a tiny train that was moving along, puffing out smoke. He unwrapped the bar hastily and then handed a piece to Remus. "I never had friends over at home. This is gonna be like a slumber party every night."