In order to try to make it seem believable, she kept herself secluded in her bedroom for almost two solid days. A house-elf delivered meals three times a day that she picked at, but other than those few moments of interaction with another living being, she was alone. Truthfully, she didn't mind being by herself. Any amount of time in Rodolphus" presence seemed to make her head spin. She was unpredictable in her emotions too. One second she would be afraid and the next she was ready to kill him. Giving her a chance to center and calm herself would make all of the difference in the coming confrontation.