Oh God, if he thought he couldn't feel any worse about this... He hadn't known about Ryan's grandchild. Hadn't known about Caitlin. And he definitely hadn't known that that day was her birthday. He can feel something inside him shrivel up and die at the knowledge.

"No, I didn't know," he says, his throat closing. He blinks rapidly, trying not to let her see that his eyes were watering. "I-I'm sorry, Christine."