This is a simple and complicated problem, and it is also a philosophical problem. There are many kinds of answers, and each answer has its own reason. This leads to the fact that there is no answer. Because it's meaningless. Existence is reasonable. Then why are you a girl? Because you are and must be a girl. The gene chromosome is XX, which determines that your gender is female. If it is XY, you are a boy. Are you sorry for the inconvenience or unfairness caused by your gender? Then relax. There are not so many fair things in the world. Did you encounter any confusion? I think it's good to be a woman. Women are superior to men. If the girl is timid, the man says, yes, otherwise what do you need a man for? If a girl has no money, a man will say, yes, or who will spend the money? If a girl ... a man will say yes, so it's good to be a girl. Are you in a better mood now? Are you dissatisfied with yourself? When you get older, you find women difficult. Is it bad to be a woman? If you are a man, you may also say why you are not a boy. Whether a man or a woman comes into this world, it is not up to them to decide. Think of your parents when you say this. They didn't know whether it was a man or a woman when they were alive. Didn't they work hard to raise you? Don't blame yourself for being a man or a woman. Living happily every day is the best explanation for yourself and your family.