Sarah became a kallah, and had her wedding planned for the 20th of Shvat. She counted 7 clean days, went to the mikvah, and checked herself for blood ever day until her chuppah. On the day before her chuppah, her chosson became very sick and called off the wedding. A few days later though, he miraculously got better, and the wedding was rescheduled for the 25th of Shvat. Sarah has to....