Dragomer asked: Going from that 'Smol!Zuko and Azula imitate animal behaviors due to neglect and social isolation', what if they licked (especialy after meals and they'd probably also lick each other's hands then too) and nuzzled each other in public? How would their parents and Iroh reacts? How would the servants reacts (Obviously the servants reaction is split between those that heard the mating sounds coming from Zuko and Azula's room and those who didn't)? What would Azula and Zuko think about it and everyone's reaction?
I feel like the first to notice would the poor servants who overheard their "fun times" at night, and would either barge into the room or come talk to them in the morning, trying to understand what exactly they were doing and where they learned it. Azula would probably not want to explain herself to "the help", but Zuko would be a good boy and tell them they're just imitating how animals affection to each other. They'd get a loooong speech about how this wasn't appropriate and the servants would promise not to tell anyone (mostly because they're afraid of Ozai's reaction and of the possible consequences of telling him his children are engaging in incestuous behavior), and the two of them would promise not to do it again.
Which, of course, would be a lie, and more servants would notice what's going on, either by overhearing it like the others or by seeing them demonstrate their affection by licking, biting, and nuzzling each other. Once again, they'd get the moral speech, but this time they'd horrify the servants by saying they also saw animals doing that kind of thing to their "siblings" so it was okay. The servants would try to explain that it is very different for animals to do that kind of thing, but it would be no help.
Eventually, their parents and uncle would all either hear from it or see it first-hand. Ozai would be irritated, while Ursa and Iroh would be downright appalled, especially because neither Zuko nor Azula would feel any shame and would keep doing that kind of thing to each other, both in public and in private.
Cut scene to when they're older and everyone on the entire planet has given up trying to make these two stop screwing a long time ago.