Power asymmetry as romantic engine
Billionaire romance's power asymmetry is not a problem to be solved but the engine that drives the plot: the difference in social and financial power between the leads creates specific tensions, specific vulnerabilities, and specific possibilities that would not exist between equals. The power asymmetry means that the billionaire must choose to be vulnerable — his power does not require it — while the love interest must choose to trust despite evidence that trust in someone this powerful is risky. Writing the power asymmetry as a romantic engine requires understanding what it costs each character: the billionaire who must give up control to allow intimacy, the love interest who must risk dependence to allow love. The asymmetry that is merely picturesque — all luxury and no tension — has wasted its structural potential.