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.
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.
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.
In this type of fanfiction, a plot twist could be that Snape saves them, but they end up having to go into hiding in a completely unexpected place. Maybe they have to live among muggles in a way they never thought possible. Another plot twist could be that Snape saves them, but then realizes that he has put himself in a very dangerous position with Voldemort's followers. So he has to find a way to protect himself while also protecting Lily and James. And there could also be a plot twist where Snape saves them, but they don't believe his motives are pure and they try to escape from him, leading to a whole new set of adventures and challenges.
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.
One possible plot development could be that Lily initially feels shocked and confused. She might start to question her relationship with James, especially if she has some unacknowledged feelings for him. This event could also cause a rift in her friendship with Sirius, as she may feel betrayed that he didn't tell her about his relationship with James. It could lead to a series of confrontations and emotional outbursts among the three of them, forcing them to re - evaluate their relationships and their own identities within their group.
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.
Guilt and redemption can be a theme too. Snape's actions were often driven by his love for Lily and his guilt over her death. Fanfictions may expand on this, showing how he tries to make up for it in different ways. Also, the theme of loyalty - Snape's loyalty to Lily even after her death is a powerful concept that fanfictions often explore, sometimes by creating scenarios where Lily somehow comes back or is still present in a way that tests Snape's loyalty.