I was in the same position as you a while ago. I stupidly suspended my cynicism and called her after she wasn't returning my calls, talked to her, everything's fine as far as I can tell, then she starts hanging up when I call, so I text her asking if she's having trouble with her phone. No answer, so I gave up. Moral of the story? I looked like an ass for holding on, you probably don't want to do that.

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I want to know everything
I want to be everywhere
I want to fuck everyone in the world
I want to do something that matters