She ended up asking Kris about that Fighting tutorial he got from Ralsei.

And gawd, man. This friendship is so sweet and pure, and I'm honestly kind of terrified of something happening to it.

They're pretty good for one another, from what we've seen: Susie got a lot of good development and dealing with her worst issues from just a day with Kris.
It remains to be seen whether this is mutual: maybe now that Kris is not under our control, we can take over Susie and help him out in turn.