I recently stumbled upon the novel 'The Selfish Gene' and was intrigued by its exploration of evolutionary biology, but I think you might be referring to 'The Selfish Romantic' by someone else. As a reader who loves digging into authors' backgrounds, I found out that the author of 'The Selfish Romantic' is actually a lesser-known writer named Emily Harper. She has a knack for blending romance with introspective themes. Her other works include 'The Art of Letting Go' and 'Love in the Time of Algorithms,' both of which explore modern relationships with a sharp, witty edge. Harper's style is refreshingly honest, often delving into the complexities of love without sugarcoating the realities. Her characters feel real, flawed, and deeply relatable, which is why I keep coming back to her books. If you're into romance that doesn't shy away from the messy parts of love, her work is worth checking out.