When Degobah is shown:
5yo: That’s a sloppy place!
Me: Swampy?
5yo: No, sloppy!
Me: And swampy?
5yo: Yeah.
When Luke is given to Beru:
5yo: Did he never get to know his really parents?
Wife: Nope:
5yo: That’s sad.
8yo: But he knows his father in Empire Strikes Back.