The American biologist Elma has done a famous “emotional experiment”. He collects the breath that people exhale when they are angry, complaining, and sad, and infuses it into water. And then injected it into the experimental mice, it quickly stopped breathing. Negative emotions are contagious like a virus. They not only affect one’s state, but also change the mood magnetic field of those around them. Think about it, do you often do the same: Friends complain to you, but you listen to more sad than him; friction between colleagues, you are easy to sleep and eat; meet unreasonable rotten people, how can not swallow the fire in my heart. As…