I have pretty much always wigged out emotionally right before my period. I've been having them for 30 years now. I can recall sometimes believing I could feel the hormone levels dropping as my mood sank. Taking 3000 mg of evening primrose oil per day is a great help. So is eating dark chocolate and having alone time.

I also find that when my period arrives, I need some time to just bleed. It feels like work that I have to be at least somewhat attentive to, and if I don't, I get cranky and start to hurt. I squat and stretch and breathe, all of which help ease the flow.