Oh, James was really bad at this. She was so very terrible at emotion, but it couldn't be that different from taking care of Lizzy, and she'd managed to do an okay job of that, right?
In the end she simply went on instinct, going to him and easing him back onto the couch, her arms around him. "I'm sorry, I'm so sorry," she murmured, pressing her forehead to the side of his head and just holding him close. "I wish you didn't have to go through this, but I'm here, and I suck at this but I'm not going anywhere. Unless you want me to, and then of course I will."