[Well, it is corny, but Kara does not laugh because she feels kind of the same way. That her stone is somehow tied to happiness, though, more for the people around her.]

Easier to be happy, huh? [Kara leans forward a little, pursing her lips in thought. Her face breaks into a smile after a silent moment, and she nods. Because that does make sense.]

It has been, I think. Easier to forge new connections and deepen old ones. Corny as it might sound, you're right.