Ikrama عكرمة · The Book on Marriage

Ibn Abbas said: "Mut'ah was only during the beginning of Islam. A man would arrive in a land that he was not familiar with so he would marry a woman for the extent of time that he thought he would remain there. So his Mut'ah was upheld and his case was fine until the (following) Ayah was revealed: Except their wives or what their right hands possess. Then every private part other than those became unlawful."

The Prophet would divide (his time) equally between his wives and said: "O Allah! This is my division in what I have control over, so do not punish me for what You have control over which I do not have control over."

The Messenger of Allah said: "When a man has two wives and he is not just between them, he will come on the Day of Judgment with one side drooping."