Hermione debated whether she should explain the situation to Harry and Ron. A part of her knew that was what this Hermione here would do. She included them in everything. At the same time, she wondered if they would even be able to help her? They were not dumb, by any means, but they also were not quite as intuitive and clever as she was. In this situation, it may be best to keep this entire ordeal to herself. She had already, unintentionally, included Draco. 