Crowley didn't miss the way Kol was hesitating before he spoke, and for a brief, panicked moment he wondered if the vampire had come to end things with him. The idea of losing Kol was just not one he could be okay with, ever. And it took effort to keep his expression still neutral, letting no trace of his inner worry show through.
"Yeah?" His voice was calm as well, thankfully. "She back from that break yet? Doing better?" Not that he particularly cared for the blonde herself, but she was Kol's sister and that meant something. "What were you two nattering about?"