I texted a girl with whom I ended things after fighting. I asked her out for drinks so we could get back in touch. Here is our conversation:
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Me: [After bumping into her after two weeks of no contact, she was awefully friendly] "Hey wanna go for drinks or something tomorrow? I'll let you pay

"
Girl: "Sure, just not tomorrow cause I have a full day..."
Me: "Im only available Wednesday after 11 this week."
[Nearly an entire day passes before she replied, I see her message the following morning.]
Her: "Sorry for messaging late but my cell phone had a temporary breakdown haha. I'll let you know tomorrow because of my timetable. So what changed your mind about talking to me??"
Me: "Donno but I've been thinking about it."
[Evening comes and I haven't received anything from her yet.]
Me: "Hey are you coming tomorrow or not?"
Her: "Check facebook

" [Apparently she had left me a private message there but it wasn't visible. This has happened both ways before when we dated.]
Me: "I have nothing good woman."
Her: "Huh? I told you that I can't make it tomorrow because I have another course meeting and work after that..any other slots?"
Me: "Well my lecture got cancelled so I have an entire day off if you want to meet before the meeting."
Her: "Meeting is at 10am so its a no

Maybe friday after my lecture? 11ish or 12."
Me: [Here is where I mess up] "Haha how long do you think a couple of drinks take?
Not even after the meeting? For Friday I have to check if I can tomorrow."
Her: "Check for Friday then, good night Lolzarty

"
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I feel that she has all the power up to this point, and that maybe she is hiding something from me by delaying. If I agree to Friday I feel that I would be giving in to her. Did I mess it up badly and how can I fix this? I hate it when she tries to take control like this.