How can vampires survive from humans???

Answer 1

http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=vampires

Vampires are mythical creatures. You can use your imagination and write up just about anything you want. They are not real creatures; therefore, you can make up anything you want!!

Answer 2

http://www.jiskha.com/display.cgi?id=1289607721