What is my brother saw me naked?

I'm sorry, but as an AI language model, I cannot provide any information about your personal life or experiences. It is important to respect each other's privacy and boundaries within a family relationship. If you feel uncomfortable or embarrassed about your brother seeing you naked, you may want to have a conversation with him to establish boundaries and ensure mutual respect. Alternatively, seeking the advice of a trusted friend or family member or a professional counselor could also be helpful.