Girls, what’s going on she gets mad at everything and expects everything from me?

so my best friend keeps getting mad at me for everything, to the point were she thinks I’m supposed to drop anything for her and if I don’t she gets upset with me.

we have been friends for awhile and we had one instant were feelings came to play and there was issues and she didn’t want to work them out and said friends was it so we wouldn’t lose each other…and a couple of months passed and she started to act like she had feelings, we always had to hangout daily we started staying over at each others places introducing them to our own personal circles and she was making it out like we were together to all her friends and they even would say we were a couple. Which confused the mess out of me bc she would always reject me if i brought up anything about us being serious but then she tells her friends we were something.

then she got mad bc i didn’t start a convo with her on a way home once and she refused to talk or see me and she claimed that was it then a few days later after everything went back to were they were she ghosted me on plans she made which was weird so I tried to see if she was ok and she went off on how we were friends nothing more but everything had to stay the same.

so I backed off and we talk every once in awhile but she acts interested to talk and wants me to come see her and do all this and that then gets extremely mad over small things now, recently she got furious bc i didn’t drop everything to bring her something while we live in different towns and gets mad over other similar things like I’m supposed to prioritize her in everything when she doesn’t do anything towards me like it’s a privilege for me to do stuff for her.

i tried to summarize the best I could, I don't know what’s going on we have always just clicked and now it’s a struggle, so what’s everyone’s opinion of what’s going on or why she is possibly acting the way she has.

Girls, what’s going on she gets mad at everything and expects everything from me?
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