has anyone had any symptoms during their TWW. AF is due the 18th. But, I'm super tired, but i can't sleep at night. I am always thirsty and hungry. I have really mad back ache. I cry at anything. I have been going to pee quite often but probably Bc of my fluid intake. I am constipated. I get hot flashes. nauseated and heartburn all the time.. and normally before AF all I get is cramps. I'm super thrown off.