He goes for regular check-ups now and last went for a prostate examination two years ago.
He is also a dedicated husband and father.
'Being married is about having someone to stand by you when no one else will,' he said.
His only son, Nathaniel, 20, joins him for workouts occasionally and his wife, Mary, 51, has her own exercise routine.
He hopes to expand his gym business and has no plans for retirement.
'I'm so used to working long hours that I'd rather stay busy and active as long as I can,' he said.
Asked if he has any advice for older men looking to get in shape, he said that it is important to start gradually and work on improving one's overall fitness level.
Increasing muscle mass is also important as a lot of muscle density may have been lost with age.
'Once you have the fundamentals right, everything else will fall into place,' he said.
This story was first published in Mind Your Body, The Straits Times, on Nov 20, 2008.
