In the Bazi theory, there are useful words such as flat head, defection, hanging needle, etc. to judge good or bad luck. It is based on the shape of the heavenly stems and earthly branches. For example; B, You are flat head, Wuxu is defection, Ding Wu is I don’t know if the hanging needle is bad or a blessing. There are times in your life that must come, but there are no times in your life. Don’t force it. You should just let nature take its course.