Compatible with the rules laid down by the Nature for breathing, the human beings have been provided with two nostrils. It is a nature's precious gifts to mankind that one can know on day-to-day basis, the events that would take place and those that won't, by just feeling the breath.
Breathing through right nostril is called Surya Swar (solar rhythm) and through the left nostril is called Chandra Swar (lunar rhythm). Once a person acquires perfect knowledge of these rhythms, he can by just checking his breath soon after getting up in the morning, know how would his day be. By caring for the rules of the rhythm of the breath, one could know the events that would come to pass that day. Not only this, by changing the pattern of breath, one could let only the favorable events take place! Fantastic! Isn't it?