So yes, I believe fluctuating hormone levels just adds to the misery all the way around.
I think SA hit the nail here. I believe it is in the the 6 stages where HB writes " their hormones are out of whack". It is not important if they are high or low they could be just fluctuating, which is the reason for the wacky behavior. This is an ingredient for a MLC or a WAS for that matter.