Family isn’t something that’s supposed to be static, or set. People marry in, divorce out. They’re born, they die. It’s always evolving, turning into something else.

Dessen frames “family” not as a fixed structure but as a living system shaped by time, choice, and circumstance. The line emphasizes permeability—people enter through marriage, leave through divorce, and are inevitably lost through death—so belonging is portrayed as contingent rather than guaranteed. This view challenges idealized notions of an unchanging nuclear family and instead validates blended families, estrangements, and reconfigured households. The quote’s calm, matter-of-fact cadence suggests acceptance: change is not a failure of family but its normal condition. In Dessen’s broader thematic terrain, such an idea often underwrites adolescent coming-of-age narratives where young people learn that stability can coexist with flux, and that love and responsibility must adapt as relationships shift.