To me he didn't look as bad as some made him out to look. Barely able to stand or walk some said. collapsed off stage others said. No way he would be able to do 50 shows but he wasn't as impaired as many made him out to be and you could see that on the video. he was able to keep up with 20 year olds. I hope we get to see more of the tapings they have of the rehearsals to see if he did more intense dancing. But at 50 he did look good.