"I DON’T UNDERSTAND?" He laughed at her, making her step back, carefully eying every tiny moment of his. "What can I not understand about you taking the Unbreakable Vow where you promised to give highly secretive information away to the one person that can and most definitely will reveal it to the one person that runs the institution we want to invade? Tell me, Granger, what could I possibly not understand about that?"