al-Laith bin Sa'd الليث بن سعد · The Book on Divorce and Li'an

Salman bin Sakhr Al-Ansari - from Banu Bayadah - said that his wife was like the back of his mother to him until Ramadan passed. After half of Ramadan had passed he had intercourse with his wife during the night. So he went to the Messenger of Allah to mention that to him. The Messenger of Allah said to him: "Free a slave." He said: "I don't have one." So he said: "Then fast two consecutive months." He said: "I…