[... Whoa. Now that's... different. That shocked look is still glued to her face, but when he asks her if she wants to join him, she looks... nervous.]

I... [She rubs her hands together, an old nervous habit that's been pretty hard to break.] Would I be insulting you if I said no? It seems very interesting, please don't get me wrong, but I have.... space issues.

[Even after so long, it's hard to let people other than Anna into her personal bubble.]