From the time she could talk, Maggie* has told her parents that she is a boy. She doesn’t say, “I want to be a boy.” She doesn’t say, “I feel like a boy.” She says, “I am a boy.” She tells her classmates, too. Lately—she’s in elementary school now—they’ve been having debates about it. “Maggie’s a boy,” one kid said recently, in a not-unfriendly, matter-of-fact sort of way.