[It's fairly minimal. Her eyes widen a fraction and there's a slight blush rising to her cheeks. But she says nothing, and in particular, she resolutely stands her ground, neither moving away nor towards him, and she acts completely as if she hasn't heard.]

Yes. That's all there is to it; the proper spirit of scientific discovery demands that no matter what dogma we declare, we must be prepared to reexamine it.

[SUCH AS "LOVE IS A MENTAL ILLNESS"]