Sunan An-Nasa'i

It was narrated that 'Abdullah bin Shaqiq said:""I asked 'Aishah about the fasting of the Messenger of Allah. She said: ""The Messenger of Allah used to fast until we said: He is going to (continue to) fast, and he used not to fast until we said: He is not going to, and he did not fast for a whole month from the time he came to Al-Madinah, apart from Ramadan