just tell to her that with bitcoin you can buy clothing 
AHHA moment. A simple way but need extra attention. We know that women prefer something simple and not give something that complicated. If we want women using bitcoin, then we must give a notion of the bitcoin and also gains more and than other currencies
Yes they dont want anything that are complicated. They dont want something to be explained so much they got bored easily. A little talk that it do this and that should satisfy them.