While wax models were being made, he made pleasant conversations with the patients, sang songs or at times played the piano.

I was an introverted child, to the point of communicating with colored crayons and apologizing to objects when I bumped into them, so my mother thought it might do me good to write down my day to day experiences and emotions.

Other ancient timekeeping devices include the candle clock, used in China, Japan, England and Iraq the timestick, widely used in India and Tibet, as well as some parts of Europe and the hourglass, which functioned similarly to a water clock.