FirstHokage
12 year in peaceful world like us and 11 world in a world with war are completely different things buddy ☺️
Blasphemer_reader:11 years old are part of an anbu squad in konoha, what's his excuse? plus most characters in Naruto develop emotionally at an early age like Guy, Kakashi, Itachi, Minato, Tobirama, Hiruzen, Gara and many more considering the war-like conditions hovering over their head at any given time.