So I went to this lil kickback, and these girls came over, I quickly got into conversation with one of the hot ones, it was going great, even some kino by both of us, but I blew it by staying to energetic and talkative, n she ended up going to a different area in the house. I could tell that I gave her to much attention and i didn't seem like much of a challenge.
I was wondering a tactic to "tone it down" and get into a chill mind state? Cuz I'm normally a pretty energetic and talkative person.
Hook it up!!!

I have the exact same problem, I find that I also give girls a lot of attention once Ive got them to "like" me.

I have found recently that I have to consciously tone myself down. This is hard because everything in side me says "keep talking she likes you"!!

If you are sitting, make a very obvious move away from her. like shuffle up on the seat away from her and lean back, look around the room like you are bored. Then maybe neg her slightly, this will hopefully make her want more of your attention.

If you are standing, do the same. Lean away from her quickly and look around the room. Wave to a friend even. lol. Then maybe use "So what makes you different from the rest of the girls here? Isn't it weird how so many girls are the same?" Its a bit of a neg and also she will once again be trying to prove that she is different from the rest of the girls.

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I am what I am today, but tomorrow Ill be something different!

Yeah.. Based on your response, I came up with this, cuz I need a sign that can let me know when to make this transition, so I was thinking, as soon as I hit something that makes her yap for a lil bit, or I get some kino from her, then I transition and chill...then I have this in my head so I can make the transition without getting lost in the sauce and blowing it

After you've gotten the girl engaged in conversation and to like you, just straight up LEAVE.
Tell her that you have to go say hello to another friend, say you've been ignoring someone you need to talk to, or whatever, but give an excuse and leave.

Re-engage with her 5-10 minutes later, but you getting up and leaving will is part of a "push-pull" and demonstrates that you aren't needy, aren't easy, etc., and gets her doubting about whether or not you like her. I've used this tactic to great success.