When other adults find out that my dad is a single father of three girls, they shake their heads in admiration, like, How does he do it? How does he manage that all by himself? The answer is Margot. She’s been an organizer from the start, everything labelled and scheduled and arranged in neat, even rows.”
-- Narration (chapter 2)

Importance: Lara Jean describes the role that Margot plays in the family and how important it has been in helping the others cope with the death of Eve Song, Lara Jean’s mom. Lara Jean’s attitude to Margot here shows how much she looks up to Margot but also hints at the imbalances that have developed in the family, leaving them overly dependent on Margot and initially unable to cope in her absence.

I mean, I have my license and everything; I’m just not very confident. My dad has taken me for...
-- Narration (chapter 8)