Just read this article from China Daily this morning, and for those of you (esp the girls) who had ever wondered about that question ...
Time to evict the renter
By Dinah Chong Watkins (China Daily)
Updated: 2010-08-05 07:55
Some key phrases:
... Surveys show that the majority of men decide within a few dates whether the woman they're dating has the makings of a potential wife.
... While there are too many disparities between males and females to list, two of the more noteworthy differences are a man's need for physical companionship and a woman's need for emotional intimacy.
... men using intimacy to gain sex and women using sex to gain intimacy
... How do you find out whether he's a buyer or a renter? The method is surprisingly easy and has been tested time and time again. Don't have sex.
... sex is just a matter of mashing up bits and pieces together at various angles