 Nothing. He actually backed up a few steps. They shook the bridle. Rocky snorted. His ears twitched backwards. He refused to budge. His nostrils flared and he started pawing the ground. It seemed their perfect horse suddenly had broken down. After some confused moments, they repeated the giddy-ups again, followed by more backing up and ear twitching. They decided to try getting off and leading the disobedient horse home.