Curious question, really, it has no "right answer". If Erin claims that her complex is more than her friend's, she reveals an inability to accept being "lesser", even if in doing so she belittles herself. If, on the other hand, Erin agrees and states that her friend's complex is worse than hers, she reveals her equal inability to accept inferiority by claiming a (known undeserved) superior station.
Clever girl...
which, incidentally, is the only correct response to that statement (in the correct voice and tone, so as to convey the Jurassic Park reference)... followed by either a blank stare until she tries to argue the point, which is then ignored or dismissed, or a rapid subject change, ideally something about food, or...
Captcha: cats pajamas
...cute animals. Well said, Captcha!
Psychology!