It often starts with a growing attraction. Harry begins to notice Ginny in a new light, seeing her not just as Ron's sister but as a strong and independent witch. Ginny, on the other hand, has had a crush on Harry for a long time and now that they're dating, she shows him different parts of Hogwarts that he might not have known before.
In fanfiction, their relationship can also develop through little everyday moments. Like when they sit together at the Gryffindor table during meals. They exchange stories about their day, laugh at jokes, and slowly get to know each other better. Sometimes, there might be a bit of jealousy from other students which they handle together, further strengthening their bond.
In the fanfiction, their relationship could develop through shared experiences. When they work together, they discover new things about each other. Maybe Ginny has a hidden talent for potion - making that Harry didn't know about, and this new discovery makes him see her in a different light, strengthening their bond.
In some fanfictions, their relationship deepens as they rely on each other more during the dangerous times of the Deathly Hallows. They might share more intimate moments of fear and hope, which bring them closer together.
It often develops slowly. At first, they might just exchange glances that hold a hidden meaning. Then, they start to find excuses to be near each other more often.
Fanfiction often depicts their relationship as very passionate. They are shown as being deeply in love and constantly stealing glances at each other in the hallways or during classes. For example, they might share secret smiles during a particularly boring Potions class.
In the fanfic, their relationship could develop gradually. Harry might be hesitant at first due to his past experiences with Cho. However, Ginny's warmth and understanding draw him in. They might start off as friends, sharing secrets and having deep conversations. As time passes, they realize their feelings are more than just friendship and start a romantic relationship. Ginny's family also plays a role, as the Weasleys welcome Harry, which makes him feel more at home and closer to Ginny.
In some fanfictions, they might have a bit of a rough start. Maybe Harry has some post - war trauma that makes it difficult for him to fully open up at first. But Ginny, being strong - willed, helps him through it and their relationship deepens as a result. They learn more about each other's dreams and fears outside of the Hogwarts environment. They could start to realize that they want to be more than just boyfriend and girlfriend, but true life partners in all aspects of the wizarding world.
In many fanfictions, their relationship deepens as they share the post - war responsibilities. For example, they might work together to help the families of the fallen. This shared purpose brings them closer.
The relationship might also develop in a more magical way. There could be some sort of magical bond that was created when they were forced to marry. This bond makes them more in tune with each other's emotions. As they learn to understand and control this bond, their relationship blossoms. They start to have feelings for each other that are deeper than just friendship, and eventually, they might truly fall in love.
Their relationship could deepen with shared experiences of post - battle trauma. They support each other through the nightmares and flashbacks, which makes their bond stronger.
Often, the battle intensifies their relationship. They rely on each other more than ever. The shared danger makes them more aware of their feelings. For example, a near - miss from a dark spell might make them realize how much they can't bear to lose each other.