Later, it was used as a polite expression and a servant's address to his master's wife. You can call any married woman a wife, and only your own woman can call him a wife.
Wife, in ancient times, refers to the wife and son, two people. Now it is a formal title, and now it is used in administrative and formal occasions.
China men have many names for their women, such as humble Jing, wife, wife, daughter-in-law, wife, lover, daughter-in-law, wife and so on. These words are either too vulgar or too flashy.
It is better to use the word "wife" to represent a husband's feelings for his wife. Many ancient poems in China used the word "wife" to express feelings.
The word wife is the most emotional and simple name.