My daughter acts like a tyrant and I don’t know how to change her behavior.

My 6 y/o daughter is the youngest sibling of two. She has always wanted, and for the most part gotten, her way. Now, she has these tantrums when she doesn’t get her way. It’s usually over food. She doesn’t like anything on her plate and if she does it isn’t hot or cold enough for her. She is demanding. “Push me in.” “Sit with me.” She yells and cries and throws things until she gets her way or I yell my head off at her and she’s crying. I hate this. I’m tired of it. I don’t know what to do. She also refuses to clean anything and will spend an hour crying about how she needs help on a task that will take 5 mins. She also claims things that aren’t true like “I know the earth is flat.” Then cries when you tell her she is wrong.I’ve tried to find her “currency” - what she likes- and take it away. I’ve taken her tablet and screen time and baby doll. Nothing works for more than a day. I’ve tried time outs and spankings. I’ve tried yelling and talking calmly. I tell her she is a bad girl and she says she doesn’t know how to be better. I give her examples and she says she doesn’t know how to do this.I don’t want her to grow up to be a mean girl or terrible person or a narcissist. How do I get her to change? How do I discipline her? via /r/Parenting https://ift.tt/2zmMijf