@Chamcham what she is saying is basically that she knows that everyone should have shown disdain to the old soul but he didn't that means he is a fake person.
Real kindness would be letting her down kindly and respectfully instead of feeding her lies like "I already said yes to someone else". He feed her delusion that he is interested in her. And that to a person who was unloved and disdained without any reason.
Real kindness would be letting her down kindly and respectfully instead of feeding her lies like "I already said yes to someone else". He feed her delusion that he is interested in her. And that to a person who was unloved and disdained without any reason.