Harry Potter versus Heather

My dearest Heather, after protesting for years that Harry Potter was beneath her and her English degree, is now officially consumed by the series. She hardly spoke to me yesterday except to say, with fierce intensity, "Go away! Leave me alone!" as she tore through the last couple hundred pages of Harry Potter and the Half-blood Prince. When she finished, she immediately curled up in a ball and refused to leave the refuge of her covers. I think someone might be emotionally invested in the story...