She watches him as she talks, and it's one of the few occasions where she keeps her eyes on his face for any length of time. Not that her eyes are really showing anything of what she's thinking, although the faint smile suggests it's at least not anything terrible.

It's not.

It's wistfulness over all the ideas he's talking about, all the other possibilities that were allowed to be read, written about, dreamt of. Alternate worlds, where things happened differently, not as a fact just as an idea.

What if things were different.

What she actually says, though, is a faintly teasing, "Not really something you were interested in?"