In breathing process which is composed of ;
ii] exhalation and
in four sense organs developed on face,
in the internal organs composed of Yin, Yang and Endocrine organs,
in the body motions composed of stretch, bend and twist,
in the mind composed of emotion, reason and spirit,
we can see it is the fundamental Model order of HIM and they are all governed by the fundamental principle!
Thus vital force is closely connected with the breathing, so vital force~energy ‘smile’ gives us a feeling of freshness, continuous movement of energy…Breathing.