Sahih Muslim 6278
صحيح مسلم#6278SahihA'isha reported:Never did I feel jealous of the wives of Allah's Apostle (ﷺ) but in case of Khadija, although I did no, (have the privilege to) see her. She further added that whenever Allah's Messenger (ﷺ) slaughtered a sheep, he said: Send it to the companions of Khadija I annoyed him one day and said: (It is) Khadija only who always prevails upon your mind. Thereupon Allah's Messenger (ﷺ) said: Her love had been nurtured in my heart by Allah Himself
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 44:108