Rob had shown up alone. He'd arrived alone, and he tended to exist alone. It wasn't that he was a loner, so much as necessity demanded being alone at the time. He had settled into a lean against the way, his hands in his pockets. He was watching the people, especially those who arrived that he recognized.
He couldn't help the twinge seeing them all together. He couldn't just go over and say something to them, asking them what the hell was going on. Instead, he just watched, nursing a beer. He was dressed more the hunter than the Man of Letters, so he probably didn't stand out any more than anyone else.
Now and then, he'd give the host of the meeting a smile. It wasn't overly forward, but Piotr was being seen, not just as the host of the night.