Setting
1- A man asked the Prophet (may Allah's peace and blessings be upon him) about fasting while traveling. He answered: If you wish then fast, and if you wish then do not fast
2- The Messenger of Allah (may Allah's peace and blessings be upon him) would sometimes get up at the time of Fajr while in a state of Janābah after having sexual intercourse with his wives, then he would take a ritual bath and fast