Hadith 3555
´It was narrated from 'Aishah that the Messenger of Allah said:` "It is not permissible for a woman to mourn for anyone who dies for more than three days, except for her husband."
Hadith 3556
´It was narrated from 'Aishah that the Prophet said:` "It is not permissible for a woman who believes in Allah and the Last Day to mourn for more than three days, except for her husband."