Just try not to obsess over it.
I know that I'm attracted to men, but I've never had a crush on anyone my entire life. I've never been on a date or anything because I've never felt attracted to anyone. I'm just planning to live my life, work through my transition, and if/when I find the right person, I'll figure thigns out then. With six billion or so people in the world, odds are, you'll meet someone else eventually to whom you'll be attracted. If this girl is the right one, then just wait. It'll happen. She may just need some time, but there's also a chance that she's not the one, and obsessing over her is going to make you blind to any other possibilities.
With any sort of mental issue, clinical or perceived, it's best to just accept it's there and move on. Obsessing over it will make the problem worse, as well as raising your overall stress level, which isn't good.
Also, don't try to self-diagnose/self-evaluate based only on a list of symptoms you found online. Using those, any person can have every mental disorder at once. If you're really worried, go to your therapist, school counselor (if you're in school), or psychologist/psychiatrist. If you don't have one, get one.
[I know I used the word 'obsess,' and various forms of that word, quite a bit. I know that's probably not quite the right word for several of the sentences, but I'm kinda tired and my vocabulary's slipping. I hope you understand what I was meaning, though.

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