Sahih Muslim | Book 8 | Hadith Number 3354

Narrated by 'Aisha (Allah he pleased with her)
'Aisha (Allah he pleased with her) reported: There came the wife of Rifa'a to Allah's Apostle (may peace be upon him) and said: I was married to Rifa'a but he divorced me, making may divorce irrevocable. Afterwards I married Abd al-Rahman b. al-Zubair, but all he possesses is like the fringe of a garment (i.e. he is sexually weak). Thereupon Allah's Messenger (may peace be upon him) smiled, and said: Do you wish to return to

Rifa'a. (You) cannot (do it) until you have tasted his sweetness and he ('Abd al-Rahman) has tasted your sweetness. Abu Bakr was at that time near him (the Holy Prophet) and Khalid (b. Sa'id) was at the door waiting for the permission to be granted to him to enter), He (Khalid) said; Abu Bakr, do you hear what she is saying loudly in the presence of Allah's Messenger (may peace be upon him)?