Mmmm...Educate her. Tell her you won't quit, and it's not because you don't love her, it's just because there's no point in quitting.

If she says "You won't even show your love for me by quitting?" say: "Only those who don't love their partners would need ways of proving that they do. If you loved me, you'd let me stay the way I am. The Miracle Herb wasn't a problem between us until you dragged it in."