Yes it is normal to have your emotions change. You just stopped adding hormones to your system. And it was an abrupt stop. It takes a little time to adjust. Keep pumping, if you stay on the 8 times a day plus once in the night routine your milk will build. Make sure you are staying hydrated. It was a couple weeks before I got af and then I didn't get it again for like 34 days (I have 25 day cycles) Some women don't see it again for quite awhile. Did you do the regular protocol? If so you make not see af for awhile. Remember it is possible to become pregnant without a period.