The belief or insistence that some people can breathe underwater is likely a result of a psychological phenomenon known as "wishful thinking" or "confirmation bias." Wishful thinking is the tendency for individuals to believe or interpret information in a way that aligns with their desires or beliefs, even if there is no factual basis for such beliefs.
In the case of people who insist they can breathe underwater, it's possible that they genuinely wish they had a unique ability or power that sets them apart from others. They may hold this belief so strongly that they misinterpret or ignore any evidence that contradicts it.
Additionally, some individuals might experience vivid dreams or hallucinations, which they interpret as evidence of their supposed ability to breathe underwater. These subjective experiences can be compelling and may further reinforce their belief.
Furthermore, it's essential to consider that mental health conditions, such as schizophrenia or other psychotic disorders, can lead to delusional beliefs. In such cases, a person may genuinely believe they can breathe underwater due to their altered perception of reality.
It's essential to approach these situations with empathy and understanding. Engaging in a respectful conversation with individuals who hold such beliefs and encouraging them to seek professional help if needed is the best approach to address the underlying reasons behind their insistence.