Since you did not specify a particular book, movie, or video game, I have interpreted your request as a critique of relationships and romantic storylines as a narrative device in modern fiction (literature, film, and television).
Consider the shift from Twilight (2008) to Normal People (2018). In the former, the romantic storyline hinges on Edward being an immortal, impossibly strong, stalker-ish hero. In the latter, Connell and Marianne are a mess. They have terrible communication. They hurt each other. They have class anxiety and intimacy issues. And yet, Normal People became a cultural phenomenon because it was relatable. It proved that the most compelling love story isn't about saving the world; it’s about saving each other from loneliness. tamil.sex.4.com
Whether you are a writer sketching a slow burn, a reader devouring a HEA (Happily Ever After), or a person navigating the messy, glorious reality of love, remember this: A great storyline does not avoid conflict. It walks directly into it. A great relationship does not promise a perfect partner. It promises a willing partner. Since you did not specify a particular book,
A modern trend in reviewing romantic storylines is the critique of "toxic ships." Audiences are becoming more critical of relationships involving manipulation, abuse, or stalking (e.g., the re-evaluation of Twilight or 50 Shades of Grey). In the latter, Connell and Marianne are a mess
For decades, queer romantic storylines ended in death or separation (the "Bury Your Gays" trope). The new wave—Heartstopper, Young Royals, Red, White & Royal Blue—demands joy. This is revolutionary. Allowing marginalized relationships to experience the same "mundane" happy endings as straight couples is the ultimate act of narrative equity.