Do you believe that there is an inner factor that is controlling our emotions and behaviors in everyday life? Have you ever heard about Biorhythms? Biorhythm cycle is a mystery to most, yet it is so easy to understand with this book! Thousands of academic studies evidence the power of biological rhythms to have an influence on our daily conditions, change behaviors, and take emotional control in any area of life. In some ways, this book will pay for itself with your success. - Learn how to prevent potential dangerous days. - Learn how biorhythm can help you choose a partner or friend. - Learn more about your spouse's biorhythm cycles and yours for a harmonious living! - Read Biorhythm charts easily by knowing your friend or partner's birth date. - Create your own Biorhythm calculator with ease. - Learn about celebrities, their biorhythms, and their dangerous days