Is it illegal for husband and wife not to live together?

No, because obligations are mutual. There is no prohibition by law, and couples can negotiate.

Husband and wife: husband and wife. It is usually established through marriage. The establishment of the relationship between husband and wife is generally confirmed by the civil affairs department. A man and a woman got married with good wishes. One is the continuation of future generations, and the other is common health.

In other words, human beings have such a beautiful life form, which refers to the main family role relationship between physically mature men and women who are bound together by marriage and help each other unconditionally with their own efforts. Men call their husbands and women their wives. Once married, husband and wife naturally form an orderly family role relationship.