It can intensify the conflict. Snape's jealousy can lead to more confrontations between him and James, which might draw in their respective friends and create more chaos at Hogwarts.
The scene also affects Lily's character arc. If she is aware of Snape seeing her kiss James, it could make her more determined to be with James and distance herself from Snape, or it could make her feel guilty and try to reach out to Snape in some way, which would have a huge impact on the overall direction of the fanfic.
Well, it's a really heart - breaking moment for Snape. He loved Lily deeply, and seeing her with James, who he had a rivalry with, must have been like a dagger to his heart. His love for Lily was complex and seeing this would have filled him with a mix of jealousy, rage, and deep sadness.
It would strain their relationship even more. Snape's love for Lily was already on shaky ground due to their different paths. Seeing her with James would make him feel like she has completely chosen the other side, and he might start to resent her a bit.
Often, it causes some sort of disruption. Ginny might feel guilty if she has some underlying feelings for Harry too. Harry's reaction can either push her away or make her more aware of his presence in her heart. If he acts coldly, Ginny might be hurt and retaliate in some way. But if he shows his vulnerability, it could be the start of a more intimate connection between them in the fanfic.
It could make Snape more bitter. Since he lost Lily to James, he might become even more withdrawn and focused on his own studies or other solitary pursuits. This could further isolate him from others and fuel his resentment towards James and his group.
He might be filled with intense jealousy and pain. Snape has deep feelings for Lily, so seeing her with James would be like a dagger to his heart. He could feel a mix of anger towards James and self - loathing for not being the one with Lily.
One interesting plot could be Snape seeing Lily and James during a Hogwarts event. Maybe it's a Quidditch match and he watches their interactions. He could be filled with a mix of jealousy and longing as he sees James showing off to Lily. Another plot might involve Snape seeing them in a more private moment in the library. He overhears their conversation about their future plans and it makes him realize how much he has lost. There could also be a plot where Snape has a vision of them through a magical object and it haunts him, making him question his own actions and decisions in relation to Lily.
Well, in fanfictions where the Marauders bully Lily and Snape, it has a huge impact on their personalities. Snape is constantly on edge, always expecting some sort of attack from the Marauders. This makes him more guarded and less likely to trust others easily. His love for Lily becomes more of a desperate and often self - destructive thing. For Lily, the bullying situation forces her to take sides, either with Snape, who she has a long - standing connection with, or with the Marauders, who seem to be more popular and have a certain charm. This decision - making process can shape her character in different ways depending on the author's take in the fanfiction.
It might also influence the way the animals in Animalia interact with Snape. If they sense his deep and unrequited love, they could either be sympathetic or try to play matchmaker in a magical way. For example, a group of fairies could try to bring Lily's spirit closer to Snape through their magic.
Snape's view of James might not change much at first. He has such deep - seated hatred for James due to their past. But if the fanfiction shows James in a more positive or sympathetic light, he may start to question his long - held beliefs about him, just a little bit.
It might make them more aware of the popularity of their story. They could realize how much fans love their characters and the world they are in.