What Is The True Reason Why Extramarital Relationships Is Such A Severe Sin
Off course these are the boundaries of Allah. And apply to both husbands and wives. And Islam does not allow to have four wives but it limit to four wives and with the condition if one can do justice between the wives. (Which is not possible in real life). And keep in mind that the ayah revealed was at the time of war when there were so many helpless widows and orphans in the society.