After she returned from Kingsley's flat, she was in no hurry to leave again. She tried to return to some semblance of normality in the daytime while she waited for Draco to return home. Or at least attempted to keep her mind occupied. When he walked in late that night to find her back on his sofa, she could see the visible relief all over him. He might have set up his wards to inform him the moment she arrived, but she knew that it was different actually seeing her with his own eyes.