Look at the palms of hands, which way do you look at?

Look at the left and right hands, and for men, look to the left.

Analysis:

It is a custom for men to sit on the left and women on the right: when going to the public toilet, men should be on the left and women on the right; when wearing wedding rings, men should be on the left and women on the right; in addition, there are also photos In wedding photos, couples attending certain ceremonial occasions, etc., men are often on the left and women are often on the right. If the positions are reversed, people will laugh and say that it violates the custom of "men on the left and women on the right".

The custom of "men on the left and women on the right" is also closely related to the philosophical outlook of ancient people. Ancient Chinese philosophers believed that the two opposites that govern things and people in the universe are yin and yang. Things in nature include size, length, up and down, left and right, etc. The ancients classified them as big, long, up, and left as yang, and small, short, down, and right as yin. Yang is strong and Yin is weak. In terms of human character, men who are violent and strong belong to Yang on the left, and women who are gentle and gentle belong to Yin on the right. "Male on the left and woman on the right" also has practical scientific significance in the application of traditional Chinese medicine. "Male on the left and woman on the right" in medicine refers to the physiological differences between men and women. When diagnosing the pulse in traditional Chinese medicine, men take Qi pulses from the left hand, and women take blood pulses from the right hand. Even if children are sick and observe the hand lines, the habit of "men on the left and women on the right" is adopted. This is the origin of "men on the left and women on the right".