True story...my older sister looks exactly like Beth when she was her age (she's older now). The only difference between the two is that Beth isn't as bitchy as my sister is 
They seem to kind of go out of their way in the first few episodes to have her constantly emasculate men, to the point it seemed contrived unless there's some serious trauma in her past. Which I wouldn't be surprised to find eventually revealed the way the show seems to be going.