His head canted the moment she revealed herself. He took in the way she held herself and how worn she looked. "You're sober?" he asked, shaking his head. "You're free to stay as long as you'd like, Danvers, but I won't let you hang out here after midnight sober. There's scotch and whiskey in my office. Help yourself."
If he was concerned, he didn't show it. Carol, as a person, was a mystery to him. If she wanted to waste her time here pondering the meaning to life, so be it. As long as it wasn't going on the overtime sheet, he'd be happy.