The most likely diagnosis for this person is "Gender dysphoria".
Gender dysphoria refers to the pain a man encounters because of the sex and sex they were appointed during childbirth. For this situation, the doled out sex and sexual orientation don't coordinate the individual's sex personality, and the individual is transgender. There is prove recommending that twins who relate to a sexual orientation not quite the same as their given sex may do as such because of mental or behavioral causes, as well as natural ones identified with their hereditary qualities or introduction to hormones before birth.