Perhaps Jackson is a friend or acquaintance who writes fanfiction. Annabeth wearing the hoodie could be a show of support for their creative work. It might also be a way to start conversations with others who are also interested in Jackson's fanfiction.
Another possibility is that 'Jackson' is a fictional character within a larger fanfiction universe. Annabeth could be a big fan of the stories centered around this character. Wearing the hoodie is her way of expressing her love for those stories and the character of Jackson.
It could be a sign of closeness. Wearing his hoodie might show that Annabeth feels a special connection to Percy, like she wants to be close to him in a very personal way.
It's possible that Jackson is someone who runs a fanfiction club or community that Annabeth is part of. The hoodie is a way for her to show her membership or support for that group.
Perhaps it's a symbol of their relationship within the fanfiction world. Wearing his hoodie might be her way of showing that she has a special bond with Percy. It could also be that she's cold and the hoodie is just conveniently there, but in the context of a fanfiction, it likely has a deeper meaning related to their relationship.
Maybe it's about Annabeth taking Percy's hoodie as a sign of closeness. She might wear it around and it makes Percy feel a certain way, like a mix of surprise and a bit of flattery.
The hoodie could be a form of protection. In fanfiction, Percy might be in a new and dangerous environment, and the hoodie could act like a shield, whether it's from physical harm or from being noticed by the wrong people.
Well, the classmates' reactions could vary a great deal. The more gossip - loving ones would immediately spread rumors that Annabeth and Percy are a couple now. Others, who are friends with them, might just tease Annabeth gently about wearing Percy's hoodie. There could also be some who are completely indifferent as they don't care much about such things. But overall, it would probably create a bit of a stir in the school environment.
It could be a symbol of vulnerability. Percy is often seen as the hero, but being smaller makes him seem more fragile. This can add depth to his character as he has to overcome not only the usual challenges but also the limitations of his new size. It also gives Annabeth a chance to be more of a protector, which is a role reversal that can be interesting to explore.
She might take it because she loves the smell of it. It has Percy's scent, which makes her feel close to him.
One possibility is that their baby could inherit Percy's water - controlling abilities and Annabeth's strategic mind. Maybe the baby would grow up in Camp Half - Blood, facing the usual challenges of a demigod but also having the unique advantage of having two such powerful parents. They could be trained by the best, like Chiron, and form friendships with other demigod children.
It could signify deep affection. In fanfiction, such a gesture might show that Percy is very comfortable and close to Annabeth, and it's a more intimate form of showing his love compared to a simple cheek or lip kiss.