Jami` at-Tirmidhi - Book 11, Hadith 62
View on sunnah.com →
Aishah narrated that: 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."
How the Prophet ص modelled this behaviour here
Justice & Fairness
“The Prophet would divide (his time) equally between his wives”
Treats his wife (and co-wives) justly and equitably; honors her rights and gives her what is due without wronging her.