"Visiting old friends," Cas said, eyes still fixed on the Heavens. He was glad to see his friend, even if it meant he was still stuck in a place he didn't feel at home in. A few of his people existed outside that concern and Peter was one of them. He didn't know of Peter's earlier concern, only that his friend was there and he was good company.
"Do you wish to join me?" he said warmly, his voice a little weary. "I used to know all of their names but now only a few but I remember how they looked on their first days."