Dog obedience classes are an excellent way to develop a good relationship with your dog and gain more control over him by teaching him to respond reliably to specific commands. (nevadahumanesociety.org)
He's simplified it and has much more control over it. (sbnation.com)
Unlike patients, however, they tended to experience these voices as positive and reported an ability to exert more control over them. (sciencedaily.com)