Why did it have to be “eat too much” eating disorder and not “eat too little”eating disorder

Queer trans vers🏳️🌈⚧, 20
Please feel free to ask me about books/movies/music, I like I’d love to talk but bad at starting conversations, they_mbtha_10671 on discord!
Also open to horny talk and asks, just keep it light :)
Why did it have to be “eat too much” eating disorder and not “eat too little”eating disorder