“Observation is like a muscle. It grows stronger with use and atrophies without use. Exercise your observation muscle and you will become a more powerful decoder of the world around you.” WorldUseGrowsPowerfulExerciseStrongerObservationMusclesAtrophy Book:What Every BODY is Saying: An Ex-FBI Agent’s Guide to Speed-Reading People Source: What Every BODY is Saying: An Ex-FBI Agent’s Guide to Speed-Reading People