The sex is "female", and there is a birthmark like a small plane in the palm of her right hand. What does this mean? (If the explanation is comprehensive and reasonable, add 10)

Birthmark is called "mother spot" or "mole" in medicine, which is an abnormal proliferation of skin tissue during development, and abnormal shape and color appear on the skin surface. It doesn't make any sense. I never believed in these things. My destiny is in my hands. Why bother to believe these things? "Using this time, I added that I should work hard for the future. The fortune teller doesn't mean that you are the emperor's life, so if you don't do anything, eat and sleep every day, you can really be an emperor? "