Shar bin Hushab al-Asha'ri شهر بن حوشب الأشعري · The Chapters on Marriage

“Abu Usaid As-Sa'idi invited the Messenger of Allah to his wedding, and the bride herself served them. She said: 'Do you know what I gave the Messenger of Allah to drink? I had soaked some dates the night before, then in the morning I strained them and gave him that water to drink.' ”

that the Prophet said: “Allah will not look at a man who has intercourse with his wife in her buttocks.”