Sahih al-Bukhari — Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh)) — Hadith No: 4912
Translation
Narrated `Aisha:Allah's Messenger (ﷺ) used to drink honey in the house of Zainab, the daughter of Jahsh, and would stay there with her. So Hafsa and I agreed secretly that, if he come to either of us, she would say to him. "It seems you have eaten Maghafir (a kind of bad-smelling resin), for I smell in you the smell of Maghafir," (We did so) and he replied. "No, but I was drinking honey in the house of Zainab, the daughter of Jahsh, and I shall never take it again. I have taken an oath as to that, and you should not tell anybody about it