Adler and Jung had a falling out with Freud . . . Knowing Adler and Jung were both introverts, Freud, being angry at both of them, from that time forward wrote about introversion in a negative light. He described introverts as neurotic and self-absorbed, and he portrayed only extroverts as healthy.

Marti’s career requires her to travel frequently to promote her books. As a doctor once jokingly told Marti, “Publishers try to kill authors on book tours so their work will become more valuable.”

Researchers have found that men who help out with the household chores have better sex lives, better health, and better marriages . . . Studies also show that men consistently overestimate the amount of housework they do.