It defined transsexualism as " [a] desire to live and be accepted as a member of the opposite sex, usually accompanied by a sense of discomfort with, or inappropriateness of, one's anatomic sex, and a wish to have surgery and hormonal treatment to make one's body as congruent as possible with Transsexual - WikipediaDude! That is exactly what you were doing.
You are objecting to a topic that you do not understand. That is shown by your poor argument. Transexualism is not based upon what a person thinks.
It is called gender dysphoria, and is a mental problem.