Of course once she accepts the truth, she will never be treated like that and even if it continues, there will be murderous consequences, he'll make sure of that.He knew that in that short period when he wasn't in Hogwarts, he blamed his hearing for that, something happened to her. Something that caused a huge rift between the heroes. But The rumours where changing each day and night, nothing was clear anymore, only that everyone apparently hated her.