Queer/Neurodivergent people often don't get to experience certain things until later in life because of the isolation they faced as kids. Finally having these normalized experiences can be bittersweet. You might be happier than you've ever been, but you're also sad that it took so long. It can feel so unfair.
Yes. She's a play on the yandere trope of an adorable love interest who's also obsessive and violent. Instead of being a villain who's simply "crazy," her violence and lack of interpersonal skills are contextualized as a result of neurodivergence, tragedy, and the very perception of her as evil. She's not a psycho, just someone that needs love and attention.