Problem with my girl friend?

I'm in a relationship with a girl.My problem is,my face is so ugly & I wear spectacles of high power. But my girl friend is far better in looks than me.How can I be very handsome,appropriate for her?Some one answers like this-If she really loves you,she won't rank you by your face or like that.But I need a solid answer!How can I be good looking and handsome so that her friends appreciate her for me?Please help me soon because it seems like the most difficult problem in my life!!!!!!!!