He sighed. It wasn't going to be easy to get him to agree, but she was determined. Did he not understand how frustrating it was not knowing how to complete the spell he could so easily? Hermione imagined that it would come in handy when she started fulfilling her plan of getting rid of the people on the list. If she wanted to learn it, she knew that she would have to convince him to share the secret. It wouldn't be easy. Nothing worth having was ever gained without a little bit of sacrifice.