It can create a lot of tension. For example, if Harry has other friends or potential love interests, Fleur's possessiveness might lead to jealousy and arguments. This can drive a wedge between Harry and his friends or make the relationship with the other love interest more complicated.
Fleur's possessiveness can initially make Hermione feel special. After all, someone being possessive can seem like a sign of strong feelings. However, as it continues, it will likely turn negative. It might make Hermione question Fleur's motives. And it could also prevent their relationship from evolving in a healthy way. For instance, they might not be able to have open and honest conversations because Fleur is too focused on 'owning' Hermione rather than truly understanding her.
Often, Fleur will be shown as getting jealous easily when other characters interact with Harry. For instance, if Hermione or Ginny have a friendly conversation with Harry, Fleur might give them cold looks.
Well, Fleur being possessive of Harry in fanfiction can be due to a variety of reasons. One is that she might view Harry as a symbol of power and courage. She herself is a proud and strong witch, and being with Harry could enhance her status in the wizarding world. Also, his kind heart might be what draws her in, and she doesn't want to lose him to other witches. So she shows possessiveness to keep him close.
Well, her possessiveness might isolate Harry in a way. He may feel smothered by her actions, which could cause him to rebel or try to distance himself. This creates a new dynamic in the story where Harry's actions are influenced by trying to break free from Tonks' possessive hold, and this can lead to all sorts of plot developments like him making unwise decisions on his own or seeking out other allies who are more understanding.
Luke's possessiveness can change the alliances in the fanfiction. Other characters might side with Percy against Luke, or some might be influenced by Luke's possessive behavior and turn against Percy. This reshapes the power dynamics in the story.
She might constantly be around Fleur, not allowing others to get too close. For example, she always intervenes when someone tries to have a private conversation with Fleur.
It can create conflict. For example, if other characters don't like Jason's possessiveness, it can lead to arguments or even fights.
In many fanfictions, Hermione's possessiveness can initially make Harry feel a bit smothered. For example, in some stories, he might feel like he doesn't have enough space to grow as an individual. However, it also shows him how much she cares. Eventually, they often learn to balance it out. Harry realizes it's out of love, and Hermione learns to give him some breathing room.
Hestia's possessiveness can shape the plot in many ways. It might lead to Percy being isolated from other characters who could be important to his development. This in turn can create a series of events where Percy has to either break free or come to terms with Hestia's possessive nature. Also, it could attract the attention of other powerful beings who either oppose or support Hestia's possessiveness, adding more twists to the plot.
It can cause friction. Peter may feel smothered by Tony's possessiveness, leading to arguments as he tries to break free and be his own hero. For example, Peter might want to take on a mission alone, but Tony refuses to let him.