A housewife is at home when she suddenly hears a knock on the door. When she opens the door a man asks her if she has a vagina, the woman slams the door in disbelief of what a stranger has just asked her.
The same thing happens three consecutive days and the woman decides to tell her husband The husband says to the wife; "Tomorrow I am not going to work and when the man asks if you have a vagina say yes and I will be hiding behind the door."
The next day the same man comes again and when the woman opens the door he asks if she has the vagina and the woman says yes; the man then said to the woman, "Good, then please tell your husband to stop screwing my wife."