If she was biologically mature, being attracted to her doesn't mean you are a pedophile. Attraction is a result of biology, not of man-made laws. It would of course still be illegal to date her.
The last psychiatrist has written about that, but I couldn't find it right away.
In my experience, Teflon will always be scratched. Yes, in theory you could "use it correctly", but nobody ever does. So it's better to simply not have them.