Body-building seems almost freakish because it creates an enormous muscle-mass and the lifestyle is certainly out of the ordinary. It means mostly working out and massive but healthy eating. Las Vegan Jay Cutler has won the title and been runner-up in recent years and he'll be competing this weekend for the grand championship of body-building - the Mr. Olympia competition. He tells us what keeps him building muscle and why it's a career and a calling.