Hermione relaxed her mind. In fact, it was already bizarrely calm. And it wasn't just the realisation of what she had to do that had made her this way. It was the understanding that this was part of her conditioning. It was the way her mind and body were already used to being ... for when this time of the month rolled around. And it is what made her instantly able to tap into the powers of the chamber, to find what she was looking for.