Not all romantic arcs aim for the same effect. They exist on a spectrum:
A common pitfall in weak storytelling is "insta-love"—where characters fall in love simply because the plot demands it. A strong storyline answers the question: Why them? The audience must see that Partner A possesses the specific quality that Partner B lacks or needs to heal. Sex.Drive.2003.720p.WEB-DL.x264.ESub-Katmovie18...