"I imagine it has a lot to do with you," David says, then shakes his head. "I mean Miles. You... He is a bit of an armchair philosopher, and Delta loves talking it with him. What is the human condition. What does it take to be human? What is sensation, why are we controlled by our hormones, what is love. He almost lost Miles. The director was going to pull the AIs, see. But York and Delta were together so long..."

Sometimes it seems like they're becoming one person, even as Delta's personality is starting to crystalize into something more and distinctly his own. It's... strange.