What made my sister convinced people I am mentally unstable?

My sister is so judgmental she is 31 but acts like a 90 year old grandma and eve dressed like one.

Last time I saw her I asked her to do me a favor I ask my sister if she could land me money for an apartment. My do own a house but it's haunted my sister used that to push her christian beliefs on me.

Now my sister has always been so selfish and only thinks for her self and her little family. When. I ask her to look for my sheet sheet to see next court appointment for my kids rights for child support my sister went of nagging complaining how I was in responsible like our mother I got so aggrieved push her I only punch her little bit only a scratch not a big deal.

My sister call 911 and went on telling the dispatcher that I was mentally unstable how her well being was in danger and how I don't take my medication. My sister made an uncalled for Karen comment called mea stupid catholic when I told her I was no longer a witness and I've decided to go back to catholic yet expects me to stay calm. My sister exaggerated things.

I didn't even hit her hard. Why can't she handle this like adults that we are? Also she has an account her so she might attacked me here.

What made my sister convinced people I am mentally unstable?
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