Why do people like to romanticize marrying a poor woman?

I was reading "Breaking the Circle," (it end with us)? where a neurosurgeon marries a florist. The book was obviously written by a woman. I'm a medical student, and I would never marry a florist. If I were forced to marry, I'd only marry a woman who's a doctor with a good residency.

Another equally bad and similar book is 50 Shades of Grey, a supposed businessman falls in love with a photographer.

Why do people like to romanticize marrying a poor woman?
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