[ he gives it a bit of a thought, then replies with, ]

Someone as steadfast as that .... she can be a rook.

[ he touches the one on her side lightly with a finger. ] It's sometimes called a tower, or the marquess. Its relative value increases the longer the game goes, when it can move any number of squares, unhindered by pawns.

Someone who can be calm in stressful situations can see the game to its end, whether that be good or bad. I think that's good for her.