"Then you became friends after the troll at Halloween," James took over. "But that made Harry even more confused. You showed him kindness, offered to help with his homework and things. You’re an assertive girl, and Harry wasn’t sure if you’d be cross with him if he refused your offers, and even more worried that he wouldn’t measure up to your kindness even if he did. He’d not been shown kindness before, had never had someone in his life willing to help him succeed. You might as well have been an alien species to him."