When you try to push a thought away, and it keeps coming back to your mind, you are more likely to assume that it must be true.

Kelly McGonigal, PhD, is an American health psychologist, lecturer, yoga practitioner, and author. She is known for her work translating discoveries in psychology and neuroscience into popular self-help strategies, most notably regarding the unexpected benefits of stress. She is a strong advocate of yoga, meditation, and self-compassion for physical and mental health.