I think you summed this up a lot better than I did in my post.
What I'm wondering is this: while I consider myself completely straight (when I'm sober), I think there's absolutely nothing wrong with falling in love with a girl, because you can't help who you fall in love with. I not only think this about my LGBTI friends, but also about myself; if I were to fall for a girl, I would not automatically dismiss it or "force" myself to get over it, like some people might. I'd just let it play out. My question is, do you feel this way, or do you think (or have you thought previously) that you wouldn't be able to be in love with a girl?
If your answer is no, that you would be okay with being bi/gay (if that's how you felt towards a person), then I say just let it happen. I've heard several people say that "I'd go gay/straight for so-and-so...", and that is the ONLY person they feel that way for. Human emotions are incredibly complex, and there's NOTHING wrong with being LGBTI, no matter what people say. How can people ever say that true love is wrong???
Sorry for the long post