A three year old boy suddenly expressed his wish to become a girl. A visit to a therapist revealed the source of his desire: his newborn baby sister had severe health issues. His parents had to expend a lot of time and attention on her, and in his child's mind the only explanation he could come up with was that "they like girls better". So he decided he'd better become a girl. Once the therapist shared this with his parents, they instantly adjusted so that their little boy could get the attention and signs of love that he craved, and just as instantly, the three year old was perfectly happy to be a boy. What if they hadn't been able to "treat" this child? So often "gender confusion" is the result of of such straightforward issues of family dynamics.