[ After the initial bafflement and hearing Shaw doesn't have any real idea either, he does start thinking about it, inevitably. He has had a lot of conversations with Root over the past year and he's started to understand her way of thinking more. ]

Knowing Root, saying you're straightforward might be... well, too straightforward. In mathematics, an arrow is often used to indicate a logical implication, [ Harold offers. ] If A is true, therefore B is true, sort of thing.

[ His expression softens. ] Perhaps your existence is proof enough that something else must also be true.