Earlier quoted context omitted.
I don't know the whole 25 thing seems to be just mainly be something like a meme. You go out and you can meet extremely personable, social, and polite, teens all the time. You can also find the grunters. Sometimes it's just personality. Sometimes it's dealing with puberty. Sometimes it's genuflecting against authority. As long as you support them, give them guidance in a respectful way, and involve yourself in their…
One essential - existential - skill that children learn is to please ADULTS (Authoritarian Domineering Unseeing Ludicrous Tedious Superhypocritals). Their actual survival (food, shelter, safety), their welfare, their happiness depends extremely on Adults. If you were in their shoes in regard to some authority - especially an authority that behaves as badly as Adults - you would learn too. They learn how to not upset…
It's also "point of reference" - kids more isolated from other kids will latch onto adults as their "reference people" they compare themselves to and model behaviours from while kids more socialised with kids will reference more onto near peers.
Isolated kids are commonly more intellectually precocious but less directly practical and (naturally) tend to have a bit more trouble connecting with peers. It's not unusual.