It is narrated from Hazrat Aisha (may Allah be pleased with her) that the Prophet (peace and blessings be upon him) would sometimes stay with Zainab bint Jahsh and drink honey at her place. I and Hafsa made an agreement that whichever of us the Prophet (peace and blessings be upon him) came to, she would say, "I find the smell of maghafir from you; have you eaten maghafir?" So when the Prophet (peace and blessings be upon him) went to one of them, she said this. The Prophet (peace and blessings be upon him) said, "I drank honey at Zainab's place and I will never drink it again." Upon this, the verse was revealed: "Why do you make unlawful for yourself that which Allah has made lawful for you...?" If you two (Aisha and Hafsa) repent...