[applause] Sometimes a person enters our life who changes everything. We may not know it at the time, but years later when we look back, we realize that if we hadn't met that particular person, our life wouldn't be what it is now. For me, one of those people is Keith McKenzie, a retired veteran of the British Army's elite parachute regiment and a retired firefighter with more than 20 years of service who was suffering with nightmares due to the traumatic events they had been through. I first met Keith at a ...