Your child has ADHD. He impulsively acts out; he struggles in school; he seemingly won’t settle down for even one second after you walk in the door to let you catch your breath. A visceral hook grabs hold, and you do the same old thing you’ve always done: you yell, you retreat, you set another rule, or you bend one. Then you mentally berate yourself for not staying calm or your child for not doing as he was told.