I have always wanted to write a novel, but I don't know where to even start.
Well, a Novel is a relatively long work of narrative fiction, why don't you start with something shorter? 
Hmmm, that's a thought, but I really had my heart set on a novel, maybe romance.
Romance novel
Although the genre is very old, the romance novel or romantic novel discussed in this article is the mass-market version. Novels of this type of genre fiction place their primary focus on the relationship and romantic love between two people, and must have an "emotionally satisfying and optimistic ending." There are many subgenres of the romance novel, including fantasy, historical romance, paranormal fiction, and science fiction. Romance novels are read primarily by women.
The term "romance" is also applied to
is reported to have told them "I don't know where you can find one, but if you do, burn it." Copies of the book offered for sale online start at $1,300 and go up to $7,500.
Abbey's disgust with the novel was immediate. According to James M. Cahalan's biography, "Edward Abbey, A Life", he could barely get through the galleys before the book was published. He said it seemed "even worse than I had thought," too "juvenile