I think ... I don't know how much of this is true, but Beethoven is said to have always dunked his head in a bucket of ice water every morning. Ben Franklin is said to have stood naked in front of an open window every morning. Nikola Tesla, you know, a great champion and iconic scientific figure, apparently used to curl his toes a hundred times each night before going to sleep. So you sort of hear those, you raise your eyebrows, it's kind of curious and so on. But, we don't feel the need to explain that kind of behavior, but when it comes to a behavior