The Messenger of Allah (PBUH) entered upon her, and a man was sitting with her, so the face of the Messenger of Allah (PBUH) changed as if he disliked it. She said: O Messenger of Allah, my brother [through breasfeeding]. Then the Messenger of Allah (PBUH) said: Mind who you consider your brothers, for milk kinship is only established when breastfeeding is given in hunger.