A growing number of "student concubines" are marketing
themselves to older, richer men willing to support their studies
and pay for a desirable lifestyle.
Millions of female students can be found on the website
Jiayuan, the biggest dating site in China. Among its 25 million
members are students explicitly seeking men who will give
them what the Chinese call the si you or "four haves". The
candidates must have: a prestigious business or job, a house,
a car and a high salary.
...
There's a story from a Vietnamese guy ...
http://www.vsgardens.com/forum/culture/messages/1632.html
http://www.vsgardens.com/forum/culture/messages/1592.html
http://www.vsgardens.com/forum/culture/messages/1577.html
This guy seem so proud that he has brought sex from the Hanoi girls!
The question is WHY ?