Finally, there is a practical, albeit self-interested, reason to avoid contempt, even for those with whom you disagree most strongly. It’s horrible for you. You will see in this book that contempt makes you unhappy, unhealthy, and unattractive even to those who agree with you. Hating others is associated with depression. Contempt will wreck your relationships and harm your health. It is a dangerous vice, like smoking or drinking too much.
