In a perfect world, we'd never have to fully grow up. To be sure, adulthood comes with its perks. But man, the crushing responsibilities we face every day sure explains a lot of the allure of Neverland.
The good news is that adults can recapture certain aspects of their childhoods without too much trouble. If you want a birthday cake when it isn't even your birthday, you can just buy one.
And you can also blend the two worlds at times.