Two-year-olds in age-matched groups without adult supervision are the most violent humans by age cohort; approximately 5% of males at that age spontaneously engage in kicking, hitting, biting, and theft; most are socialized out of this by age four, but a proportion do not and become lifelong antisocial types.

factualpending

Speaker

Unidentified Speaker — Your Dark Side and Control Over Your Life | Robert Greene |… [hgFX-ZsOscc]

Evidence Quote

If you take two-year-olds and you group them together, two-year-olds, by the way, grouped together are the most violent of human beings in age match groups... there's a proportion of them who will spontaneously kick, fight, hit, bite, and steal. They're almost all males, and it's about 5% of the males.

Source

Your Dark Side and Control Over Your Life | Robert Greene | EP 237Jordan B Peterson
Created: 8/11/2026, 1:50:54 AM

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