> You can't just snap your fingers and change your sex or you name and demand from everyone else to accept it right away. Why not? If I claim that my name is J

> You can't just snap your fingers and change your sex or you name and demand from everyone else to accept it right away. Why not? If I claim that my name is John from now on then what right does anyone else have to claim otherwise? As for legal procedures, it depends on the nation of residence mostly. For example, in Scotland you do not need to go through any legal process to change your name in a legal sense, you are identified by the name you use for yourself, rather than there being a 'state sanctioned' name which would need to be altered.