At times, Kerr's sacrifices have not been alone, with Mackey joining in and Jill also giving up alcohol for three months before the Olympics, as she did for the Worlds - a form of solidarity to help him through.
If you say you can't do it at all, you are an alcoholic right? I'm only 17. How hard is it to give the stuff up. I don't get it. I give up coke before my big meets.