Behavior shapes emotions. Auteur: A.J. Jacobs Copy Quote More from A.J. Jacobs “. . . my obsession with gratefulness. I can't stop. Just now, I press the eleva…” “This is what the Sabbath should feel like. A pause. Not just a minor pause, but…” “Jealousy is a useless, time-wasting emotion that's eating me alive.” “I love it when the Bible gives Emily Post-like tips that are both wise and easy…”