In this Monday, Feb. 25, 2013, photo, Coy Mathis sits with a book at her home in Fountain, Colo. Coy has been diagnosed with Gender Identity Disorder. Biologically, Coy, 6, is a boy, bu

 

              In this Monday, Feb. 25, 2013, photo, Coy Mathis sits with a book at her home in Fountain, Colo. Coy has been diagnosed with Gender Identity Disorder. Biologically, Coy, 6, is a boy, bu
In this Monday, Feb. 25, 2013, photo, Coy Mathis sits with a book at her home in Fountain, Colo. Coy has been diagnosed with Gender Identity Disorder. Biologically, Coy, 6, is a boy, but to her parents, three sisters and brother, family members and the world, Coy is a transgender girl. (AP Photo/Brennan Linsley)