I stopped reading after you said she was 18.
Not to be rude or blunt, but girls/women don't know their head from their ass when it comes to relationships/what they REALLY want/self-identity/etc til at least their early twenties. Ofcourse there can be exceptions, but I've yet to see or hear of one myself.
You're young, handle it at your maturity level and hope for the best. You already said you know the odds, but you won't believe them because you're blindly involved in this situation, duh. We all do it.
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