Asked whether that meant Kelly could be his last fighter, Booth replies: “I thought David Haye was going to be my last one. I thought as a coach, I never started going to the gym and holding pads for people and doing some coaching – I never did it for a career. And it just all of a sudden, before you know it, you’re caught up in this whirlwind. I was the manager and the promoter at the same time of the world heavyweight champion. It was just a whirlwind, an exhausting whirlwind.