The rule books between men and women will always differ. There will always be differences of opinion and perception on different things, some small some big. The way men see things is not the same way women do.
For example, women love dressing up when going out, men on the other hand do not bother much so long as they are covered.
Women take time choosing a dress, getting the hair and make up right which always takes time and bothers their men. So the men came up with a list of rules to keep the peace.
Here are the 21 rules of men according to 9gag