Escaping friend zone: Pull away or become close first?

Anonymous
Got friend zoned by a chick because she's been "Talking" to another fellow for quite some time now and they're going to be official real soon. For the past couple weeks I've been acting like just a friend to her, and she really enjoys texting me and my company.

Heard from a mutual friend "he was supposed to meet up with her to make it official, but he keeps pushing it off and acting weird", and I still have feelings for this girl, so now I want to change up my game.

I'd consider me and her to be good friends, not exactly best friends though. Should I try and get closer with her to form that "emotional friendship" bond(with some flirting) then pull away and make her miss me?

Or just pull away now? My only fear is that because me and her aren't that close, she won't really care and won't really miss me ya know? So I'm not sure which option to do

And yes I do really like this girl, that's why I'm not nexting her yet. We're both 18 btw
Pull away and limit contact first
Make a deep emotional bond first
Other (post what)
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Escaping friend zone: Pull away or become close first?
4 Opinion