Sirius paused, sometimes, to drink, but he was also pretty good at moving and drinking without particularly damaging himself. It wasn't like there were secret pitfalls to the room or anything. It was much neater than Sirius's room was. The fire whiskey he had drunk at the start, on his own, was starting to kick in a little. And it made everything a bit warmer and his feelings a bit less clear in his head. It was hard to separate them out and hard to focus on the ones that were good.
He snorted at Remus's comment. Nothing. Sirius knew that kind of nothing all too well. He knew just how damn nothing it was. It was always something. There was always a reason, even if he hadn't been willing to give it. And there was a reason Remus was suddenly a big fan of gulping fire whiskey faster than Sirius was.
His brain latched onto what Remus was saying as Regulus, about Reg. He didn't even question whether or not someone else had written to Remus on that entry, privately. "Proud you got him to go to something muggle?!" Sirius asked harshly, a little bit of bitterness in his voice