It could be a rival lover who tries to come between the main couple. Sometimes, it's a character who opposes the relationship due to personal interests or prejudices.
It can vary a lot. Sometimes it's a person with evil intentions, like a thief or a bully. Other times, it could be a natural disaster or a difficult situation that the main character has to overcome.
The antagonist can be a person, a group, or even a force. It often opposes the protagonist's goals and creates conflict. For example, in a crime story, the antagonist might be a criminal mastermind.
Well, it varies a lot. Sometimes it could be a villain with evil intentions, like Voldemort in Harry Potter. Other times, it might be a more complex character with conflicting motives.
Often, it could be an ex - partner who tries to break up the new relationship. For example, in many novels, the male lead's jealous ex - girlfriend might spread false rumors about the female lead to drive them apart.
Professional models are often chosen. They have the looks and the ability to convey the romantic mood the cover needs.
A lot of women, especially young adults, tend to read romance novels. They enjoy the emotional journey and the possibility of a happily-ever-after.
Often, a jealous ex - partner can be an antagonist in romance novels. They might try to break up the new couple out of envy or a sense of possessiveness.
Major publishing houses like Penguin Random House and HarperCollins often publish such novels. They have the resources and reach to promote and distribute them widely.
Another possible antagonist could be a new vampire character. Maybe a powerful and jealous vampire who also has an interest in Aro. This vampire could see Bella as an obstacle to their own desires and start causing trouble for her and Aro's relationship. They could spread rumors, try to frame Bella for crimes, or directly attack her to drive her away from Aro.
Typically, you'll have the daddy figure, who is often a successful and wealthy man like a businessman or a CEO. Then there's the mother of the child, who can be an independent woman, perhaps a single mother trying to make ends meet. And of course, the child is also an important character, even if it's a baby or a young kid, as it's the central link between the two main characters.