There was a time when she would've actually enjoyed playing this game with Draco. She once appreciated a certain level of intrigue. The early days of the regime were exciting. One never knew who was loyal to the Dark Lord or not. Hermione had fun rooting out the seditious traitors. In order to be the least bit successful at her job and not just arrest innocent victims, she had to learn how to read people and whether or not they were trustworthy. Draco was difficult to read. She wasn't sure that she would ever fully trust him or his motives. But, that didn't mean he couldn't prove useful.