The Messenger of Allah ﷺ said to me, "My son."
قال لي رسول الله ﷺ: يا بني.
No references are available.
Muslim narrated it in the Book of Manners (2151) from Muhammad bin Ubayd Ghubari, he said, Abu Awana narrated to us, from Abu Uthman, from Anas bin Malik, and he related it.