Short answers, pulled from the story.
The word husband originates from the Old Norse term husbondr, meaning householder, a man who dwells in a house. This etymological root reveals that the role was never merely about romance or partnership, but about the management of a household domain.
The Meiji Civil Code of 1898 finally altered the transfer of all a woman's property to her husband in Japan. This legal change marked a significant shift from the historical context where the law often treated the wife's property as the husband's to manage.
In the Philippines, a wife can be charged with the crime of adultery for merely having one act of sexual intercourse with a man other than her husband. A husband can only be charged with the related crime of concubinage, which requires more specific conditions like keeping the mistress in the family home.
Islam considers husbands as protectors of the household and offers them opportunities different from that of their wives. It places a cap on polygamy, limiting the number of a man's wives to four provided he can do justice to all of them.
The term husband ceases to apply upon the death of the spouse, marking the end of the institutionalized role. Following the death of a spouse, the man is referred to as a widower, while after a divorce, he may be identified as the ex-husband of his former spouse.