Changing the appearance of your body to that of the opposite sex is a long process. This is because being viewed as female, or male, has a lot more to do with performance and role, than it has to do with what is between your legs.
This is the first step for transsexuals. You usuall feel very uncomfortable with your body and role, but unsure what this all means. There are so many ways to express gender, and surgery and hormones are not for everyone.