sound. you can't hear anything. and it was exactly like that. i tried to place my hands on the ground in front of me and do a push-up, and when i did that push-up, i couldn't slide my knees to my chest. i couldn't, and i knew i was paraliezed and had a spinal injury. >> brandon spends three hours a day, three days a week at the rr rehabilitation institute in michigan. >> it's perfect. >> there are days when i question whether or not i'm okay mentally, but to me it's simple. i learned early on that i have a voice through this, and i have something to say, and i have a message. >> doogie, as he's known to his firefighting family, because he joined the department when he was just 20 years old, was even