Abu Hazim reported:
I saw Abu Huraira point with his finger many a time and saying: By One in Whose Hand is the life of Abu Huraira, Allah's Apostle (ﷺ) could not eat to his fill and provide his family bread of wheat beyond three days successively until he left the world.
Reference: Sahih Muslim 2976 b
In-book reference: Book 55, Hadith 42
USC-MSA web (English) reference(deprecated numbering scheme): Book 42, Hadith 7098