31-129 According to the same documentation, Ali ibn Abi Talib (a.s.) said, “I advise you to eat meat since it will strengthen your muscles. Whoever abstains from eating meat for forty days will get bad-tempered.”
Al-Kāfi #1208“Abu ‘ Abd Allah (a.s.), has said, ‘Meat grows meat and one who does not eat meat for forty days his manners change to worse, you must say...
ʿUyūn akhbār al-Riḍā #13031-130 According to the same documentation, Ali ibn Abi Talib (a.s.) said, “There was talk of meat and fat in the presence of the Prophet...