In fact, people hate homosexuality because of a common psychological trait. We have an identity with our own gender in childhood, but some people's gender identity is too rigid, which is what we call "stereotyped gender impression", which may be the extreme of psychological gender. Then, under the influence of culture, this "stereotype" became more and more profound, so there was a phenomenon of homophobia, such as "I want to throw up when I think about it" and "it's really annoying to watch two men make out together". It should be said that it is a necessity and an extreme manifestation of psychological development. If you say it, others will not accept it, but not accepting it doesn't mean that you don't understand it. Understanding and acceptance are completely different. However, not all human beings are "rigid in gender impression", and some heterosexuals do not feel that homosexuality is disgusting subjectively. It is worth mentioning that some psychologists believe that homophobia is due to the unconscious refusal of many heterosexuals to suppress their same-sex interests, because Freud, a world-class psychologist, has always believed that people are bisexual after birth, and only in adolescence do they begin to suppress their same-sex feelings and turn to the opposite sex.