“When I first came out of hospital I could not walk to the end of the street without help. I couldn’t even lift a kettle for four weeks,” he explained, while speaking at the Oxfordshire’s Henley Literary Festival, The Sun reports.
“So gradually you build up again until you are doing longer and longer walks. Then seven months later the walks turn into runs — and then you become a dancer.”
Robert went on: “This was not the first time they asked, and I knew there would be a collision between me and Strictly very likely to happen in the future.
“But it goes back to the heart surgery — now I think I have got something to offer this show.”