“I have changed my diet considerably and in the past few months I have felt healthier than I have in a long time. The only thing I do have is, because I’m on a hormone treatment, I do get hot flushes sometimes. I’m a bit nervous as it could be slightly awkward in the studio.
“Normally what happens if I get a hot flush, I get all red in the face and I take my jacket off and cool down. I’m not sure I’m going to be able to do that. We may need to get a little fan.”
Although his stint on GMB has thrown him back into the spotlight, Bill knows his limits.
“I can’t run around as much as I did at 30 or 40. I make sure I don’t overdo it. Occasionally, I turn things down, if it means a lot of travel and work,” he said.
Good Morning Britain airs weekdays on ITV from 6am to 9am.