[he thinks back to when kaeya told him he had been given diluc's shard and shakes his head, sighing. kaeya is definitely not someone who gambles with the abstract and things like hope and chance. diluc still can't grasp it, but whatever. it just means the burden is on his shoulders of the ones from teyvat to bring it back.]

That is their prerogative. Whatever soothes the ache of losing our homes, may they take solace in it.

[he gestures toward byleth.]

The same could be said for you. Do not lose heart. [a funny thing to say to byleth in particular, unless in hopes he does have his heart.]