Castiel's fingers move to his lips as he ponders this, trying to see if there was some way around severing that bond without injuring either party, but he knew his information is too limited at this point.

"I don't know as much about Chicago angels as I would like. I would have to do some research into this." He looks over at her and sighs. "I know you mean well and are trying to protect Iris, but I would advise staying away from him for the time being. He seems dangerous, and it would be best to tread lightly."