Well, if she plays the gender card, not only self centered, also idiot. If instead she talks about education, then add hypocrisy to the whole deal. Point her to my direction for further explanation on each.
May as well ask her why doesn't she leave it on everyone's else preferred position instead, for the greater good?
If she's still thick, tell her: your house, your rules; not your house, not your rules.
Final solution, kill her.
Wound up, can't sleep, can't do anything right, little honey / Oh, since I set my eyes on you. / I tell you the truth.
I can't get it right / Get it right / Since I met you...