Which constellation is the most introverted?

Scorpio is the most introverted, and she prefers a quiet life.

My cousin is a Scorpio girl. She has been very introverted since she was a child, and sometimes she doesn't even like to talk to us. Every time I go to my uncle's house, my cousin always hides in the house alone, and our children are playing outside, but she still stays indoors unmoved. Sometimes we ask her if she wants to play together, but she always ignores us. After a long time, we spent less time with her, so we had a sense of distance with her.

Now she is a 15-year-old girl, but she is still introverted. According to my uncle, I never raise my hand to answer questions in class. Sometimes the teacher calls her, and her voice is too low to hear. She doesn't get along well with her classmates either, because she is too introverted, so many classmates don't like to play with her. In fact, I think it's best for my cousin to get along with people more, otherwise she will not only feel lonely, but also be hurt when she walks into society in the future.