Girl friends are supposed to be the missing link in your life to make you feel whole. Sex and the City said it quite well: "Maybe our girlfriends are our soulmates and guys are just people to have fun with." Hopefully you've come across the diamond of a best friend and latched onto her, but, as women are the dominate gender in the world, there are so many more possibilities for fostering new friendships. Here's the pitfall: not everyone is going to be worth your time. We've been through our fair share of toxic friendships and have formulated the types of girl friends you have to break up with right now.