Just need some advice quick

Hiya all, I have been talking to someone for about a month now. Now at the minute we are just friends and we both seem to be interested in meeting up more however I'm getting really mixed signals from her. On one hand she keeps telling me she's really interested in meeting up again and we had planned to meet up again.

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Unfortunately something I couldn't do anything about came up and I had to cancel. I then asked her to message me when she was free to go but it's been about a week and she hasn't messaged me about it at all.

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Now to be honest I'm not too concerned about this and I have sent a message asking her if she actually does want to go out but there's always this little bit of my brain that tells me everyone hates me and nobody actually wants to talk to me and I'm trying to ignore it but it's really winning over right now.