Why they are afraid to be together (e.g., fear of vulnerability, past betrayal).

A clash of worldviews that forces both to find a middle ground.

In this dynamic, the love interest isn't just a partner; they are a reflection of the protagonist's deepest internal struggle.

To be with the person, the hero must evolve past their own limitations. 🛠 How to Build It

Romantic storylines work best when they aren’t just about two people falling in love, but about two people because of each other. A "solid feature" of a great romance is the Mirror Effect. ⚡ The Mirror Effect

Something outside the couple keeping them apart (e.g., a war, a rival family, a job offer).

Their presence forces the protagonist to face their "Ghost" (past trauma or lie).