Orders. Cas knew there were still such things and as uncomfortable as that made him, he didn't feel as though this Morpheus would order his followers in quite the same way Michael had ordered him and his fellow angels. Gesturing for the other man to walk with him, he nodded somberly.
"Do you miss them?" he asked hesitantly.
While Cas had been separated from the angels for some time now, he'd at least been able to hear them still. In his own reality. He suspected Anna could also, but her presence was always close to his. Except for when he'd been separated from her. That kind of silence - no Host and no mate, had been difficult to navigate his way through. In a way, he still felt as though he'd only temporarily stopped the bleeding on a wound.
"I only ask because I could once hear my brothers. My sisters. It's...strange. Not having them in close proximity to me anymore."