Apparently redheads have more sex than blondes and brunettes. A German said so, so it must be true.
http://www.dailymail.co.uk/pages/liv...n_page_id=1770
An interesting excerpt: He added that women who dyed their hair red from another colour were signalling they were looking for a partner, and added: "Even women in a fixed relationship are letting their partners know they are unhappy if they dye their hair red. They are saying that they are looking for something better."