'A'isha (Allah be pleased with her) said that the Messenger of Allah (ﷺ) kissed one of his wives while he was fasting, and then she ('A'isha) smiled (as she narrated).
Sahih Muslim Book 13, Hadith 79
← Previous Hadith The Apostle of Allah (ﷺ) forbade them (his Companions) to observe Saum Wisal out of mercy for them. They said: You (Holy Prophet) yourself observe it. Upon this he said: I am not like you. My Lord feeds me and provides me drink.

Sahih Muslim Book 13, Hadith 78 Next Hadith → I said to 'Abd al-Rahman b. Qasim: Have you heard from your father narrating from 'A'isha (Allah be pleased with her) that he kissed her while observing fast? He ('Abd al-Rahman b. Qasim) kept silence for a short while and then said:" Yes."

Sahih Muslim Book 13, Hadith 80