This may be obvious or well-discussed but I had an epiphany some years back when my dad, regarding my kids, said (paraphrasing), "they're not playing. 'Play' is a misleading term. They're testing the world. They're learning how things work. How gravity works. How friction holds lego together. How actions cause reactions. How friends and strangers behave when you do things. How to use language with make believe. How t…
They’re very keenly tuned in to social feedback, far more so than we may realize as adults.
IMO this is also why it’s so important as an adult to be very intentional and unambiguous when appropriate. Flat statements like “that’s rude” or “that was very kind” can be very powerful.
Also worth considering how online interactions change the game- they’re trying all the same gambits, but the kinds of feedback they get are very very different than in person.