It stems from a figure of speech used in Norway to describe the feeling of personal failure or the guilt associated with hurting others during one’s own search for happiness.

If you are looking for an essay that examines The Worst Person in the World (2021) and the significance of its title,

Are you writing a on this film, or are you more interested in a deep dive into the character's psychology ?

Julie feels like the "worst person" because she struggles with the weight of choosing the "right" path and the fallout her indecision has on the people she loves. Core Themes for an Essay

One of the film's most famous sequences involves Julie "stopping time" to run across Oslo to see a new lover. This serves as a metaphor for the desire to escape the consequences of one's choices and live in a singular, perfect moment.