She knew that he was aware of her visit to Hogsmeade the day before. He might have tried to make it seem like he was disinterested in her activities and hadn't even bothered to get dressed for the day, but somehow she was aware that he followed her to Ron's house. Maybe it was because she told him not to or because he probably would've done it anyway. She couldn't be certain if he was simply acting under orders he'd received from his uncle or if it was something he did for his own personal reasons. Just one more thing to worry about. She feared her brain was reaching its full capacity. Regardless of his reasons, she knew she would be foolish to remain in his flat for much longer.