You're willing to stretch your mind along with your body. Knowing that still waters run deep, you focus on your breath with the same intensity that others bring to jumping jacks and crunches. (No wonder yoga can burn 250 calories per hour.) Most importantly, you have the patience and discipline to enter the "zen" zone. "People who prefer yoga are in tune with themselves and nature, and enjoy a workout that leaves them feeling balanced and centered," says fitness coach Jessica Smith.