Strictly Come Dancing 2021, has revealed he had been unaware that he was suffering from a congenital heart defect.The TV star has opened up about the recent health scare that he battled with in the past 18 months.Robert, who is best known for co-starring with David Mitchell in cult sitcom Peep Show, learned that his condition was made worse from his ten-year battle with alcohol.The 49-year-old has credited Strictly as the latest step on his road to recovery.Addressing his health struggles, Robert revealed that he had to undergo open-heart surgery.It comes after the comedian had been feeling unwell for quite some time and he went for a health check in March last year before lockdown when he discovered how serious his condition was."When I.