Hah! I did exactly this, but far less extreme. I would walk barefoot on the street, where the sun had been painfully heating the pavement, and adjusting my psyc

Hah! I did exactly this, but far less extreme. I would walk barefoot on the street, where the sun had been painfully heating the pavement, and adjusting my psyche so I could not feel the pain. According to the books, an excellent meditative practice.