It takes 66 days to form a habit. In 66 days, Martin Strel swam the Amazon.

Average speed of the winning Tour de France cyclist in 2008 was 41 km per hour. In Australia, there are 40 km per hour car speed limit zones.

Popular diets promise you’ll lose 3 kilos in 2 weeks. Formula 1 drivers lose 3 kilos during the course of one race.