The relationship bond between the Prophet (Mohammad) and the believers is superior to the relationship bond between them and any of their relatives. The Wives of the Prophet must be respected by the believers the same way that they respect their own mother. In accordance with the Lord’s scripture, the blood relationship has superiority over other relationships [the blood relations should take care of each other first.] However, there is nothing wrong in showing kindness to your friends [provided that you have taken care of your blood relatives first.] This is written in the Book of God.