"Alright." She sighed, keeping hold of his hand. "I’ve always believed that the way to confront fear is to understand what it is you are frightened of. After Quirrell used that spell to murder his victims... I want to know more about it. To know exactly what Antonin did to me when he hit me with it and how it might have forged a bond between us. Professor Black indicated that I may find some answers in that book."