She knocked on his front door, a knot of nerves tightening in her gut. They hadn't exactly left on bad terms, but it had been a long time since she last darkened his doorstep. She hoped that he wasn't going to be upset with her staying away from him as long as she had. No one answered. Worried that she was making a mistake, Hermione lifted her hand to knock a second time just as the door opened abruptly.