Seto hears what they said and moves his head out of the window to go wait for Hythlodaeus to come join them outside.

Ardbert smiles warmly at the chick and watches Seto react to Hythlo going off to play with Peki (and by extension, Seto). "... I'm glad Hythlo has the two of them. There's some things they can only properly learn from their own."

A moment of transition, he feels, is important before they start talking about the more serious subject.