It’s simple. A hairy back alone offers too little material for a good fantasy. A sense of humor, confidence, and the ability to express yourself are turn-ons.

How to Be More Attractive to Women (eHow.com) “Display high social value.”
How To Be More Attractive To Men (eHow.com) “Smile. Cross your legs.”
Why Beautiful Women Marry Less Attractive Men (Live Science) “Women are more interested in having a supportive husband.”