One common theme is the struggle between different supernatural worlds. Since Paul is a werewolf and Bella is involved with vampires, there's often a theme of conflict and coexistence.
Another theme is the transformation of Paul's character. Often, in these fanfictions, he starts out as a rather rough or wild character, but through his relationship with Bella, he becomes more gentle and understanding. For example, in some stories, he learns to control his temper better. The third common theme is the idea of a different kind of pack dynamic. With Bella being involved with Paul, it changes the way the pack views her and also how they interact with Paul. It can create some interesting power struggles and alliances within the pack.
Adventure can be another theme. They might be on a quest together, facing various obstacles and enemies. It could be in a magical land or a post - apocalyptic world, and their bond helps them through these challenges.
One common theme is the struggle between loyalty and love. Paul is often part of a pack with its own rules and loyalties, but he has feelings for Bella. Another theme is the idea of the outsider. Bella is usually an outsider in the werewolf world, and Paul's relationship with her can highlight this.
A common theme is the struggle with destiny. Since the imprint is a kind of pre - determined connection, Bella often struggles with whether to accept it or fight against it, as she has prior relationships in the Twilight world. Paul also has his own internal battles regarding the imprint.
One common theme is exploration. Since it's set in the twilight, there are often unknown areas to discover. Paul usually goes on adventures exploring these uncharted parts of the twilight world.
A common theme is the power dynamic. Paul's possessiveness often creates an unequal power balance in his relationship with Bella. Another theme is protection. Since Paul is possessive, he sees himself as Bella's protector against all sorts of threats. And love, of course, is a major theme. His possessiveness is rooted in his deep love for her.
Love and commitment are common themes. Since Bella is Paul's wife in these fanfics, their relationship is often centered around deep love and the commitment they have to each other.
In 'curvy bella twilight fanfic', a frequent theme is the alteration of the traditional Bella - Edward dynamic. Her curvy body may make Edward view her in a different light, perhaps more alluring or more complexly. There can also be themes related to self - discovery, as Bella navigates the world of the supernatural with a different body type. It might also touch on how other characters in the Twilight universe react to her new look, like how Rosalie might have a different attitude towards a curvy Bella.
One common theme is the clash of two different supernatural worlds. Since 'Twilight' has its own vampire and werewolf lore and Damon comes from a different supernatural context, fanfics often explore how these two worlds interact. For example, how Bella's relationship with the Cullens might be affected by her new connection with Damon.
Often, the theme of self - discovery is present. Bella might learn more about her own strength through her relationship with Paul, and Paul might discover a different side of himself. Also, themes of loyalty and protection are quite common as they deal with threats in their world.