Norbury, recently underwent open heart surgery, Lydia told this week's issue of TV Week.
“I nearly lost my husband,' she told the magazine. 'He's been extremely ill.”
“He was ill while I was filming season two. He had the operation right at the end, when we were doing promotion stuff. It was very serious.”
Since the operation Andrew has recovered well, and last month the pair attended the Jean Paul Gaultier exhibition at the National Gallery of Victoria.