With reference to many Islamic traditions, we come to know that this question has always been on the tip of the tongues, and has always been answered reasonably. As an instance; HAZRAT IMAM REZA (AS) was asked that; and he said: ``If the share of man in heritiage is more than that of a woman; it is because, a woman in her marraige will have a dower, and also her sustenance has been made incumbent upon her man, and she has not any responsibility for her own provision.