[Machine] I have not seen the Messenger of Allah ﷺ complete a month of fasting except for the month of Sha'ban. For he used to connect it with Ramadan so that they would be two consecutive months of fasting. He used to fast throughout the month, until we would say that he did not break his fast, and he would break his fast until we would say that he did not fast.  

مَا رَأَيْتُ رَسُولَ اللَّهِ ﷺ صَامَ شَهْرًا تَامًّا إِلَّا شَعْبَانَ فَإِنَّهُ كَانَ يَصِلُهُ بِرَمَضَانَ لِيَكُونَا شَهْرَيْنِ مُتَتَابِعَيْنِ وَكَانَ يَصُومُ مِنَ الشَّهْرِ حَتَّى نَقُولَ لَا يُفْطِرُ وَيُفْطِرُ حَتَّى نَقُولَ لَا يَصُومُ