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human
[Harry Potter] Would Severus Snape's attitude towards Harry change if he encountered sincere reconciliation?

OK, so I'm curious what people think about this. I get that it's out of character, I get you could pick loads of holes in this, but I really wanna pick people's brains no this rat's nest of resentment, lies, ill deeds.

Let's suppose a couple things, first off Snape overhears Lupin and Harry talking, and he hears Lupin straight-up say that Snape's got good reason to dislike Harry, that Harry's father mercilessly bullied and harassed him to the point of using illegal magic, often for no reason, and Sirius Black tried to have Snape killed, and he, Lupin was a Prefect and let it all pass, hence Snape dislikes and distrusts both of them. However, let us also assume Lupin leaves out any embarrassing details (like Snape being dangled and stripped by Potter).

Second, assuming the above actually occurred, let's assume Harry spoke to Professor Snape afterwards, and expressed a sincere wish for a reconciliation, not for a friendship, but an end to hostilities, and an apology for mistrusting Snape in the past, and straight-up says he's heard the other side of the story and understands why Snape dislikes him and his Dad so much. Let's also assume Snape does a little legilemency and realizes it's genuine.

How is Snape likely to take this? Would this have any effect on him? Or is his resentment too deep for any healing to take place? Would he just get angrier that it's coming up again?

Bonus points if Sirius also tried to bury the hatchet and owned up to trying to get Snape to meet Lupin when he was a werewolf.

Genuinely curious what people think, any variations or conditions that occur to you etc totally welcome.
gpt
Snape is Neville's worst fear, and that kid had his parents tortured into insanity and an uncle who threw him out a window.

Snape took deliberate action to kill the husband and child of the woman he felt he deserved.

Snape teased two innocent people with the fact he was going to subject them to having their soul devoured by creatures of darkness.

Snape is possibly more evil than Umbridge. He won't be redeemed that easily.