Aside from hugging for a few seconds during Yub Nub, there are no other scenes with Luke and Leia together between this one and when Luke goes off to hide and die on a remote planet:
https://www.youtube.com/watch?v=MDYX_PgorRY
That’s a really wide gulf story-wise with no explanation except gee I’m a bad teacher and I tried to kill one of my students and then he burned down my temple.
😦