ONE NIGHT STAND FOR PROPHET:
One night stands were free for Prophet Mohammed and were part of prophetic perks.
33.50 Mohammed, any woman who offered herself to you is halal for you.
Obligation to practice this aya made logistics a big problem for Muhammad who already had nine wives , his concubines , and a regular supply of captured women from jihadi raids. But Allah's wishes had to be carried out.
Bukhari,Volume 7, Book 62, Number 24:
A woman came to Allah's Apostle and said, "O Allah's Apostle! I have come to give you myself.
Bukhari,Volume 7, Book 62, Number 48:
Narrated Hisham's father:
Khaula bint Hakim was one of those ladies who presented themselves to the Prophet. 'Aisha said, "Doesn't a lady feel ashamed for presenting herself to a man?"
Bukhari,Volume 7, Book 62, Number 53:
Narrated Thabit Al-Banani:
"A woman came to Allah's Apostle and presented herself to him, saying, 'O Allah's Apostle, have you any need for me?' "Thereupon Anas's daughter said, "What a shameless lady she was! Shame! Shame!" Anas said, "She was better than you; she had a liking for the Prophet.
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If the husband wants more sex – he can rape infidel women.
“All married women (are forbidden unto you) save those (captives) whom your right hands possess. You can’t have sex with married women, unless they are slaves obtained in war (with whom you may rape or do whatever you like).” 4:24
“You don’t have to be modest around your wives or your slave girls “that your right hand possess.” 23:6