As of now, you restrict yourself to reading nonfiction because you think that fiction is only entertainment and serves no real purpose.
But maybe there’s something to learn from fiction. Storytelling, after all, is about winning hearts and enriching minds.
Analyzing modern media, you see that plenty of hearts and minds have been completely won over by what is effectively fiction. A superstar dies, and an entire world underneath them is affected. They are fictional characters that have been created by themselves or an industry—manufactured superstars.
Figure out what it is that makes characters in good fiction so captivating. Figure out what makes good fiction so inescapable. Do so, and you will learn what speaks to people’s hearts.