Because basically, kids look about the same, each sex, until they go through puberty, at which point, if you feel you're in the wrong sex, you feel like Pinocchio becoming a donkey.
因为小孩子看起来基本一样， 不管什么性别， 直到他们经过了青春期。 那时候如果你觉得自己的性别不对， 你会觉得就像匹诺曹变成驴子一样。