Estinien's striking straight to the heart of the matter is so on the point, he laughs. "Oh, the prayers I've uttered hoping he would see it, too."

All right, yes, so he'd been witness to their fight on the mountain. It's quite clear to even those without a poet's intuition that Yennefer is not unaffected by Geralt's presence, as he is so overcome by her own in kind. It's only that Jaskier is of the belief that Yennefer's desires will always come first, over any regard she may have for others. She's simply that sort of woman.

And Geralt that specific brand of idiot. (Said lovingly. Sort of.)

"Then you know all you need to about her." Jaskier gives him an understanding pat, leaning across the gap between them. "I have faith you'll figure it out. Or do something monumentally stupid, or insane. That's always the go-to for you heroic types."

He may be making fun. A little.