For the plan to work, she had to wait until the following month, carefully keeping track of when she should expect her period. It was a constant state of anxiety for her, wondering if it would arrive—she’d spent so long on contraceptives in one form or another that it had messed with the schedule, after all—but if Erik had said nothing was amiss then she would have to rely on that. When the week approached she made an effort to wake up earlier than Draco each morning, taking care not to wake him as she assessed herself for blood.