Jami` at-Tirmidhi Book 43, Hadith 22
that the Messenger of Allah (ﷺ) said: "It is not lawful for a man to separate two people except with their permission."
that the Messenger of Allah (ﷺ) said: "A man has more right to his seat. If he leaves for some need of his, then he returns, then he has more right to his seat."
that a man sat in the middle of a circle so Hudhaifah said: "Cursed upon the tongue of Muhammad - or - Cursed, by Allah upon the tongue of Muhammad (ﷺ), is he who sits in the middle of a the circle."