Only Metal Inside
He doesn't always understand exactly how she works. He doesn't always understand exactly why she is the way she is. But he understands the logic behind her decisions and he understands why she does what she does. She does it for him.
It doesn't matter who made her; she listens to him. She follows him almost without question and she protects him at any cost.
He doesn't always understand exactly how she grows and learns. He never understands exactly how her emotional range expands and develops. He doesn't understand how she went from knowing she should feel something and acting like she feels it, to feeling something and not knowing why she feels it.
It doesn't matter what she is; she amazes him. She is beautiful to him in all her human imperfection despite the fact that she was made to be a perfect non-human. She is beautiful to him because she isn't supposed to be capable of genuinely caring about anything, but she does.
She is only metal inside but he doesn't hesitate at the sight of her anymore; doesn't even question his unspoken but unfaltering trust in her.
She is only metal inside but he swears that she has a heart and soul in there somewhere.
She is only metal inside but he loves her all the same.