“Well done! Don’t over do things!” Another fan agreed.
Despite her exhaustion, Carol also admitted her fitness routine is already making a difference to her physique.
She said earlier on today: “So I’m going to be very annoying doing side butt videos all week.
“I’ve been doing lots of walking. I did 10 miles yesterday and lots of weights.”
“Look, I’ve got biceps now,” the mathematician mused, as she panned the camera to showcase her arm muscles.