Another theme is loyalty. The possessive nature can be seen as an extreme form of loyalty. Dean's loyalty to Sam is unwavering, and his possessiveness is sometimes a way of showing that no one else can be as devoted to Sam as he is. This is often explored through situations where others try to get between them.
Love and jealousy also play a big role. Dean's possessiveness can be a result of his deep love for Sam. At the same time, jealousy can arise when he feels that someone else is getting too close to Sam. This creates a lot of drama and tension in the fictions, making for some really engaging reads.
One common theme is loyalty. Sam and Dean are always loyal to each other in the fanfictions, just like in the show. Another is sacrifice. They are often willing to sacrifice for the other's well - being. Family is also a big theme as they are brothers and their family ties are central to the stories.
The theme of sacrifice is also prevalent. Since they are hunters, they are often put in situations where they have to sacrifice something for the other's well - being. This could be their own safety, a chance at a normal life, or even a relationship with someone else.
A recurring theme is the search for their place in the world. As hunters, they don't really fit into normal society. Fanfictions explore how they deal with this outsider status. Another theme is the power of friendship. They have friends in the hunting community, and how those relationships interact with their brotherly bond is often a topic. Also, the theme of fate and free will comes up, as they seem to be following a certain path but also trying to break free from it sometimes.
One popular 'possessive dean x sam fanfiction' is 'Bound by Brotherhood'. In this fic, Dean shows his possessive side in a very protective way towards Sam. It has great character development and explores their relationship in a unique way.
Love and protection is another theme. Sam's possessiveness is usually rooted in his deep love and the need to protect Bella. This can be seen when they face threats from other supernatural beings. His possessive actions are sometimes seen as a way to keep Bella safe, although Bella may not always see it that way immediately.
Family is also a big theme. They are brothers, but their relationship is more than just a typical family bond. Fanfics may show how their family ties are tested and strengthened. For example, they might face a situation where they have to choose between family and the greater good, but they always find a way to stay together as a family.
A lot of fanfictions also explore themes of sacrifice. Dean and Sam are often put in situations where they have to sacrifice something for each other or for the greater good. It shows their selfless nature. Also, the theme of redemption can be found in some, especially when they deal with characters who have made mistakes in the past.
Well, the theme of redemption is quite common. Whether it's Dean trying to make up for past mistakes or Sam finding his way back from a dark path. Love and friendship also play a role. Sometimes it's about their relationship with other hunters or people they meet. And of course, the struggle against fate. Many fanfics have them trying to break free from a pre - determined destiny.
Well, family is a huge theme. It's not just about Sam and Dean, but also their extended family and how that impacts their lives. Sacrifice is also common. They are always willing to put themselves in harm's way for each other or for the greater good. And then there's the theme of the unknown. Fanfiction often takes them into uncharted territories in the supernatural world, exploring things that the show might not have covered yet.
Guilt is a very common theme. Since Sam and Dean have a strong bond, when Sam hurts Dean, he often feels intense guilt which drives the plot forward.