"Introversion — along with its cousins sensitivity, seriousness, and shyness — is now a second-class personality trait, somewhere between a disappointment and a pathology. Introverts living under the Extrovert Ideal are like women living in a man’s world, discounted because it goes to the core of who they are. Extroversion is an enormously appealing personality trait, but we’ve turned it into an oppressive standard to which most of us feel we must conform."