To learn how to write a romantic book also means to learn to avoid frequent romantic mistakes. This is the framework in which you write your novel. Well, I don't write novels, but what I recommend is to read a lot of novels to get a feel for the genre and general guidelines. As you already know who your reader is: It is a woman. We believe in love in a great romance novel.
is to make me believe in her.
It is often these shortcomings that protect us most.
The most credible love affair is "the one that escaped".