Wolfy has a great point and I used that too. I asked if she has ever used dexatrim, or trimspa or any other OTC supply before and that's the same thing. Asked if she would get fake boobs and of course the answer was yes if she had the money.
It's all about education and it isn't an easy process but by showing her all of the positives and getting more info into her head, you are well on your way. Allot of people fear what they don't understand....just ask those poor mofo's they burned in Salem in the 1600's
If she knows nothing about them and already hates them and can't stand it, then she's only got her perception from media sources and that isn't a very rosey picture, but encourage her to open her mind and actually get the information. Sounds like she is strong willed so maybe issue her a challenge to find out more about them and prove you wrong. Either way it can be done, but it takes allot of work on your part to get them comfortable with it, but within 12 mo's you'll have her on a primo/var cycle i'm willing to bet