Ibn 'Umar (May Allah be pleased with them) said:
The Messenger of Allah (ﷺ) prohibited observing continuous fasts beyond one day. The Companions submitted: "But you do it." He replied, "I am not like you. I am given to eat and to drink (from Allah)."[Al-Bukhari and Muslim].
App reference: Book 18, Hadith 255
Arabic/English book reference: Book 18, Hadith 1765