Things that might be said while watching this:
"I feel like I don't know which body party to watch because they're all doing separate things all the time."
"Did you see the way he..."
"I want to see him in real life. It's the only way I feel I'll believe it's happening."
"I wonder how much his body hurts afterward."
"His Wikipedia page proves Wikipedia is not a reliable source: His brother, Danny Hartmann, lives in Germany and is one of the richest men all time."
"I wish I could dance."