Once, the Prophet Muhammad (pbuh) and some of his companions were invited to a dinner. On their way to this dinner, they came across the Prophet’s grandson Hussein, who was still very young at that time. Hussein was playing with his friends when they saw him. When the Prophet Muhammad saw the children, he went forward and opened his arms wide in order to hug them, and the children started to run around in play. Then the Prophet Muhammad ran after Hussein to join him in his game until he caught him. When he caught Hussein, he put one hand under his chin and one hand at the back of his neck and kissed him.
One day bedouin came to the Prophet Muhammad and said,
'You are kissing children but it is not on our tradition to play with them and kiss them.'
The Prophet replied,
'What can I do for you if Allah has removed mercy from your heart'