Would someone post their insight on the following matter, because I can't seem to find out where I went wrong.

I have a friend (HB9) over from abroad. She's here with her BF and her best friend (HB8.5). I'm able to say I really have an emotional connection with the HB9. We worked together in a foreign country for five months and really hit it off. But she loves her BF and is very loyal. She's out of the picture.

Now she's staying for three days with her BF and best friend (HB8.5) at my place to party. I already met the HB8.5 before when she came to visit the HB9 in the foreign country. Flirted a bit with her and just had a good time.

I think I made the mistake adding her on facebook a few days after she left. We didn't really have contact much.

Now there here and I'm really into the HB8.5. During dinner there was a lot of eye contact. Afterwards we went to the theater and the couple was searching the tickets, so this we were by ourselves. I tried to keep up the convo, but it felt a bit forced. But during the play I sat next to her and we laughed a lot together.

During the night out we met some friends of mine. I was the connection between both groups and was aware of my social proof. Every time I looked towards her she searched eye contact. A bit later I took her salsa dancing, on which she complimented me afterwards.

Then a bunch of my friends left so just the couple, the HB8.5 and me left. I started some opinion questions and then I took her hand and lead her into the crowd to start searching for her ideal man (or woman she told me she kissed a girl once, on her own initiative). She held my hand the whole time, even when we weren't in the crowd anymore. She refused every guy I pointed out and stood really close to me when there was no need to. I went in for the kiss, but she denied.

Afterwards we tried to act as nothing happened, which was a bit odd at first, but we started laughing again to the end.

My questions:

She's not afraid of a one night stand and I picked up a bunch of IOI's (I believe). What did I miss?
She's staying here 2 days more, how do I react towards her now? When we go out it's the couple and us...

I've had some 5 rejections on the last 10 attempts of which I couldn't care less. But this one really grabs me. I know I shouldn't think this way. But the HB9 told me that the HB8.5 met an Argentinian guy on a vacation in Mexico and she totally fell for him. I saw the guy, typical rough, latin hotty. I can't seem to shake the idea that she's out of my league and i'm not in hers.

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"Tonight you're a star and I'm the big dipper" - Prince

ok, first off , why are you leading her to other guys, its a FALSE-DISQUALIFIER for a reason, don't use a REAL-DISQUALIFIER, showing complete disinterest and going straigh for a kiss, is plain silly, it is called escalation for a reason, compliance test and climb the physical ladder, and elevate the tone of your conversations into a sexual nature, every little incrument makes it easier for a person to go further, sounds like lack of attraction/physical comfort but i could be wrong, your going to have to tell some good ass stories, bring some more social proof around to validate you, maybe let her see another girl all over you that is equally as attractive or more so, all of these are some ideas, also next time, show some fucking interest after you get ioi's, don't just show disinterest, disinterest, disinterest, after she even asks you questions about your self good time to start qualifieing her and showing interest,

example so I was with my buddy X last week and we were doing Y, and he (insert awesome story here), have you ever done anything like that?, (yes) (if she says no then you have more attraction work to do) oh wow, what happened? (girl story) WOW YOU MUST BE SUCH AN ADVENTUROUS PERSON, I could totally see myself going on adventures with you, etc.

FUCKING SHOW INTEREST, MAKE SURE IT IS GENUINE
also good luck,

also how you should act from this point, is like your self, but start doing the above, you probably allready shot yourself in the foot, but try to escalate more smoothly in increments rather then so yeah, i dropped some neutral jokes, she laughed, so i said hey lets go hook you up with another guy (implieing you are not interested in her), oh btw wanna kiss me?