AbuKhirash heard the Messenger of Allah (ﷺ) say: If one keeps apart from his brother for a year, it is like shedding his blood.
Sunan Abi Dawud Book 43, Hadith 143
← Previous Hadith The Prophet (ﷺ) said: It is not allowable for a Muslim to keep apart from his brother for more than three days, for one who does so and dies will enter Hell.

Sunan Abi Dawud Book 43, Hadith 142 Next Hadith → The gates of Paradise are opened on Mondays and Thursdays, and forgiveness is granted to every man who does not associate anything with Allah, except for a man between whom and his brother there is rancor. Command will be given that they should be given respite till they conciliate.

Abu Dawud said: The Prophet (ﷺ) kept apart from some of his wives for forty days, and Ibn 'Umar kept apart from his son till he died.

Abu Dawud said: If keeping apart is meant for the sake of Allah, then it has no concern with it. 'Umar bin 'Abd al-'Aziz covered his face from a man.

Sunan Abi Dawud Book 43, Hadith 144