"Of course it's me, I am uncertain as to why you would even ask that question," Cas replied bluntly.
Something was definitely wrong. Sam was looking at him as if he hadn't seen him in ages. What was more interesting was the fact that Sam looked as if he were experiencing some sort of deeper emotion that those without souls were incapable of feeling. "I am glad to see you are dealing with your lack of a soul accordingly."
Then what else was said struck him as even more odd and he frowned. "Balthazar is very much alive," he replied. "...What happened, Sam?"