It was narrated that Musa bin Talhah said: "A rabbit that a man had grilled was brought to the Prophet and when he offered it to him he said: “O Messenger of Allah, I saw some blood on it." The Messenger of Allah did not eat it, but he said to those who were with him: "Eat; if I felt like it, I would have eaten it.' There was a man sitting, and the Messenger of Allah said: “Come and eat with the people.' He said: “O Messenger of Allah, I am fasting.' He said: “Why don't you fast Al-Bid?' He said: “What are they?' He said: "The thirteenth, fourteenth and fifteenth?”””””
DaifDaifDaifBook 22 · Hadith 340