Every year it seems it gets harder to tell. I used to think it had to do with balls, but realized some of the biggest bitches on OR have balls. Okay there raisenetts but still it just adds to the confusion. I am now working on the hair back theory since even the hairy lip theory was defeated by a woman at Walmart. You think science would have a dye you could throw on people so you can tell for sure? So OR women please don't take offense if I ask to see your back, I'm just trying to keep things straight. For you men without hairy backs, well, Don't be such a bitch.