[The thing is, Thancred doesn't have to know what a tell is betraying to recognize from a malm away that it is one. Guessing what runs through another person's head also isn't strictly speaking his forte; why guess when a better goal is to simply persuade them to give it up for themselves? But there's clearly something more here, above and beyond just the obvious glance in search of something overhead — a knife, mayhap? A dagger in the dark?

The fact that Kaveh's hand goes to his pulse, near the vein, is conspicuous.]

Ah, it's not for me. Rather, there's a young lady about I'd like to decorate — still a redhead, but I guarantee she's not one of yours.

[That is a thing he can guarantee, because Ryne isn't anybody's, not even his. She's her own, at long last, and that's precisely how it ought to be.]

It only has to go with a white dress, so I imagine there's a great deal that can be done with color, isn't there?