The triangular theory of love, proposed by psychologist Robert Sternberg, posits that relationships consist of three components: intimacy, passion, and commitment. Different combinations of these elements can result in various types of love, including romantic love, companionate love, and consummate love.

: Outside forces like family feuds, class differences, or distance. Emotional Vulnerability

: This guide by K.P. Stafford breaks down the essential acts of a love story, from the initial "spark of attraction" to the final declaration of love. It focuses on mapping emotional turning points and building tension that keeps readers invested.

To craft a "proper" romantic storyline, authors focus on the tension between intimacy and obstacle. Key elements identified by BooksShelf and Gila Green Writes include: