Complex sentence: Although not all people who come to Neverland cease to age, its best known resident famously refused to grow up, and it is often used as a metaphor for eternal childhood (and childishness), immortality, and escapism.
Split into simpler sentences: Although not all people who come to Neverland cease to age, its best known resident famously refused to grow up. The term is often used as a metaphor for eternal childhood (and childishness), immortality, and escapism.