A female who's not in a
relationship with either sex currently (but has been in the past) because she's been rejected by members of both sexes. A female who tries to rally other people to support her even at the expense of their own relationships (the kind of
person who would try to fuck with the lives of two people who are otherwise happy together, despite the female in the
relationship having something in common with her). A female who makes everybody's life around her about her, then tells them all its not about them, which is true, everything has to be about her.
The girl with the glass jaw didn't want to be rejected and alone at the same time, so she tried to get other females to think like her, even though she didn't really know anything about being
happy with another human being(and some of them did), since every
relationship she had tried at, she had been rejected for making the
relationship all about her, the same way she did with family, which is why nobody missed her when she was somewhere on the other side of the globe. She was quick to get other people to sacrifice things, and try and get them to compromise rather than resist.