I wanted to work the horse myself and have him advise. He ended up not only forbidding me to ride the horse at all, but using spurs, cable tie down, and finally whipping her with a lunge whip - saying she was spoiled. He never could ride that horse. I kept telling him you couldn't fight or bully her because she would explode, and that's my point. Some horses you have to ask nice and easy, and they will respond.
Harshness never accomplishes anything, except to make a horse defensive.