Is that your metabolism picking up?

I've read several articles that say women tend to burn more calories when they are PMSing. This is due to the increases in both estrogen and progesterone simultaneously that works to bump up the metabolism. This in turn bumps up your ability to burn fat, which means you can burn up to 30% more fat during that special time of month. It also raises energy levels which means you'll have more motivation to get off the couch and pump it up. It could be the perfect storm of hormones that makes you happy, sad, hungry, angry and then really really full that makes you burn more fat. OR it could be the pure PMS rage that makes you want to take out all that pent up pissed off-ness in a kickboxing class or on the elliptical. My guess is that it's the latter.