I went back to see what Kai said that was so bad, but I could only find this:
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Is there something else as this seems fine to me - not dissing any of his partners but explaining that it's demanding for the pro to be a celeb's dance teacher, therapist, choreographer, friend etc which we all knew anyway.
I'm actually a bit disappointed as I expected him to have said something like, "Yeah it
bleeping sucks being a pro, all my partners have been an absolute pain in the arse, needy fuckers, and I've fantasised about drop-kicking every single one of them."