The change of the Gengwu brothers means that this group has appeared in this person's life, which will have a certain impact on his character and destiny. Specifically, Geng Jin represents rational thinking and action, and noon fire represents perceptual emotion and creativity. Therefore, people who change brothers in the afternoon usually have the characteristics of rationality and passion, and can perform well in work and life. However, due to the relationship between gold and fire, they are also prone to fall into a state of great emotional fluctuation, and they need to maintain a psychological balance through appropriate adjustment.