Watch a couple of this guy's films

wow, I don't remember that scene, never knew he was so BOSS!
But serious answer here... Carl Lanore once had a show on the body's cycle of biorhythym. (sp)
Basically, we go through periods where were are more emotional, physical, spiritual and times where we cross over and a mix of both... Worth a listen. You can actually get your readings for free if you google the topic and simply plug in your DOB and a few questions.