Authors:

Shyness is inherently uncomfortable; introversion is not. The traits do overlap, though psychologists debate to what degree.

"The Power of Introverts: A Manifesto for Quiet Brilliance". Interview with Gareth Cook, www.scientificamerican.com. January 24, 2012.
Shyness is inherently uncomfortable; introversion is not. The traits do overlap, though psychologists debate to what degree.