The details of how Rodolphus was able to survive for so long without the Dark Lord knowing he was alive or any other Death Eater being able to find him had always intrigued Hermione. Whenever she would ask him how he was keeping such a low profile, he would just smile, tell her not to worry her pretty little head about him, and usually try to distract her with a kiss or something much more enjoyable. As the truth began to come out of Ginny's mouth, she felt like she should've been able to guess the Resistance was somehow responsible.