“At the end of the finale when Katara kisses Aang and the camera zooms out, we tried to make it look, and symbolize, a kiss that the bride and the groom have at the end of a wedding.” - Aaron Ehasz
“His eyes meet Katara’s, and he smiles. Aang looking up at her is very reminiscent of the pilot, when she found him. She saved his life twice, basically.” - ATLA co-creator Mike Dimartino
@kataangarchive
I'm sure that at some point aang was worried about the skin color of their future children (he didn't want them to be dark skinned like katara) and that's why he spent more time with tenzin