First of all, what exactly is red light thinking? I don’t know if there is such a person around you: when others have different opinions from him, he likes to refute them. This phenomenon of habitually denying different opinions when hearing them is called red light thinking. People with red-light thinking are always stuck in their ways, always think they are right, and refuse to accept new ideas and knowledge. Their brains are like red lights, stopping them in their tracks. Once others disag...