The theme of self - discovery for Bella is also common. Through her relationships with Edward and Jacob, she often discovers more about herself, her desires, and what she truly wants in life. For example, in some fanfictions, she realizes that she has more strength and independence than she initially thought while dealing with the two very different men in her life.
Love triangles are a very common theme. Since Bella is torn between Jacob and Edward in the original story, this often gets explored further in fanfiction.
One common theme is the struggle between different supernatural worlds. Bella is often caught in the middle of the vampire and werewolf worlds, and her actions are seen as a way to navigate that. Another theme could be jealousy. Edward's jealousy of Jacob and vice versa is often explored when this 'cheating' scenario is presented.
One common theme is the love triangle. This is a central aspect in most of these fanfics as it was in the original 'Twilight' series. Writers often explore the different facets of Bella's feelings for Edward and Jacob.
One common theme could be the resulting drama and conflict. Since Jacob and Edward are both important to Bella in the original story, her cheating would cause a rift between them. Another theme might be the exploration of Bella's complex emotions. She might be torn between her feelings for Jacob and her deeper, perhaps more intense, connection with Edward.
One common theme is unrequited love. In many fanfictions, Jacob's love for Bella is often not fully reciprocated in the way he hopes, leading to a lot of angst. For example, in some stories, Bella is still torn between Jacob and Edward, which creates a lot of emotional turmoil for Jacob.
One common theme is the love triangle between Jacob, Bella, and Edward. Many fanfictions explore how Jacob's feelings for Bella develop and how she navigates her relationships with both of them.
A recurring theme is the concept of loyalty. Fans often write about how Edward and Jacob are loyal to their own kind and how that loyalty affects their relationship with Bella. Additionally, the idea of sacrifice comes up. Whether it's Edward being willing to sacrifice his own happiness for Bella's safety or Jacob making sacrifices in his own way for her. There are also fanfictions that focus on the cultural differences between the vampires and werewolves, which adds another layer to the Edward vs Jacob dynamic.
One common theme is the exploration of forbidden love. Since their relationship is not the traditional one in the original story, fanfictions often play with the idea of it being something that goes against the norms of their world.
One common theme is the overcoming of their initial rivalry. In the original story, they are sort of enemies, so in fanfictions where they get married, there's often a story about how they put aside their differences.
Another theme is the discovery of their true feelings for each other. It often involves a journey of self - realization where both Edward and Jacob come to terms with their love that they might have initially suppressed. For example, in some fanfictions, they start as rivals but gradually realize their deeper emotions.