OP, have you looked up asexuality? You might not be, but it sounds as if you might potentially be asexual. Have you felt romantically attracted to people before, but not sexually attracted? I'm assuming you've at least been romantically attracted because you've felt no interest "until lately", so there's got to be something there.
You might not be asexual, but it's possible! And I would say a virgin at that age wouldn't be a turn off for the many female asexuals out there, and a lot of other women would probably find it intriguing or cute that you have more interest in the relationship itself than the second that goes with it.