What makes a romance novel exciting other than the obvious romance and relationship?

Question by R. R. Pearson: What makes a romance novel exciting other than the obvious romance and relationship?
Other than sex scenes, the relationship and the romance what makes a romance novel exciting? What background story or plot line makes a good romance novel?

Best answer:

Answer by Kate
I like the interaction between the characters. How that behave with each other and how they talk to each other.

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