"I find very few people are interested in this sort of thing," Newt offers. "Any interest is merely polite, and not entirely genuine."

There's a warmth to his expression that doesn't quite translate as a smile still, but he appreciates Helen's company. Their discussions thus far. "Americans are a strange lot, aren't they? I imagine we could classify certain patterns in their actions for days on end."

Yes, he did just make a rather small joke.

"Might I ask what it is that you study in particular, when not fireflies?"