Just one piece of advice: Go and get her.
I mean, the personal taste of music should never be a burden when you date someone. If she/he doesn't accept that you like one special kind of music, she/he is not worth it. That might sound hard, but man, if disagreements already start with different tastes of music... If she said you're a weirdo because you like BJ, she is definitely not the right one. That easy is that. And I don't say this because it's BJ, I would say the same if this were about any other kind of music. If she's really interested, your sympathy for good rock music shouldn't be a problem.
Anyway, maybe you can even show her what a great band Bon Jovi is.
Keep The Faith man, you'll make it!!!!

ktf, Johannes