I definatelly agree with Dingus. If having friends doesn't matter to girls, why is there so much emphasis on social proof when picking up girls in public places? As sad as it is, girls want what others want, if no one else wants to be your friend, she will not want to be around you either. If you don't believe me just look at the facebook for example (thefacebook.com), most guys have 40-100 friends, girls have turned getting friends into a competition trying to get 300 friends most of whom they barely even know, and comparing counts weekly. I know of the craze that went on in my school when they started that thing.
And even with that loner thing that Dingus mentioned, girls want a loner who wants to be alone, but others want to be around him, basically a loner by choice. They don't want a loner who actually wants to have more friends but no one wants to be around him.