I was thinking the same thing, but I was watching his human calculator video [0] and there are moments where his mouth moves quicker than his brain and he has t

I was thinking the same thing, but I was watching his human calculator video [0] and there are moments where his mouth moves quicker than his brain and he has to catch himself a few times. My guess is he's given this talk and rehearsed the mannerisms so many times that he's on auto-pilot. [0] https://youtu.be/hesKQ_y1P7k?si=UkOIHLkGvFuNGc8S https://youtu.be/hesKQ_y1P7k?si=UkOIHLkGvFuNGc8S