The danger of consuming too many polished arcs is the tendency to narrativize every real-life interaction. When a date doesn't text back, we invent a rupture. When a partner forgets an anniversary, we label them the villain.
Finally, we must address the meta-narrative:
This trope forces characters into intimate situations, allowing them to skip the "small talk" phase and see each other's true selves under the guise of a lie.