You&#x27;re conflating a binary with a continuum.<p>The dominant American culture is not one with a single consistently-applied rite of passage to adulthood. Over about a decade, people go though multiple transitions (age of majority, voting age, drinking age---heck, a lot of people even recognize the age at which rental car companies stop applying a &quot;You&#x27;re probably a dangerous driver&quot; surcharge, at 25 years old).