First, I don't need a pillow to sleep from tonight. That's how dad trained me. I heard that the army treated humpback whales like this, so far they don't sleep with pillows. ....
Second, stand on the wall when you have time. Pay attention to the back of your head, shoulders, hips and heels to stick to the wall. Practice when you have time, and you will see the effect in the long run.
Third, if possible, go to a dance training institution and see the people inside. You can't even stand up straight ... when dancing, people can only stand up straight to complete beautiful movements.
Fourth, if I am a girl, I strongly recommend high heels. I am tall and straight now, and I owe a lot of credit to high heels. I feel confident when I walk in them.
The last point is to be confident, at any time! Whether you are a boy or a girl, you should be confident! Imagine that you are now a model standing on the runway, and everyone under the stage is watching you. ....
These are some small experiences that I have summed up for a long time, hoping to help you and all those in need. .....