The coughing that was about to happen was apparent to him - there was tension in her molecules, but Castiel didn't mention it. He figured she would find it rude if he did. He could also heal her with a touch, but humans were so preoccupied with the matter of personal space, that she would likely also see that as an affront. He was willing to offer, however. If they approached the subject.
"Approximately, a little over three weeks," he explained. "I've met several of the others. They're...interesting. Nikola. Agent Romanoff...they've been helpful wherever applicable, but then those who mostly likely have the most information don't even consider themselves to be the people in charge. I'm not certain that will be acceptable to people for very long."
It was not a pass of judgment so much as it was knowledge from past experience. In Heaven, the angels had all defaulted to Michael because they still wished to believe that God was watching over them. And then others had rebelled simply because they saw no other option.