Does the Romance genre hold high expectations for relationships across the world?

This website explains how romance differs culturally, and how the genres can vary in topic. With all these guidelines is it a positive image for couples to mimmick the characters in these stories? Do you think these novels can make people self conscious of what to expect from love if they have never experienced it? As informative as this site is, it opens up new ideas from the romantic genre such as settings, word usage, and idealistic relationships that may be expected in society.