[Never offended, David cannot feel emotion. He can mimic it, reciprocate it to make humans more comfortable with him, but he'd never feel it for himself.]

I couldn't agree more.

[How interesting, he thinks, that this human is reassuring him instead of the other way around. He's seen many birthdays, and never once come across a situation like this. She was more intriguing than Elizabeth Shaw.]

What is the force? I'm not familiar with it outside of the definition of the word, though how you say it implies it means something more.