Behavior shapes emotions. Autore: A.J. Jacobs Copy Quote More from A.J. Jacobs “Let me tell you, though: being the smartest boy in the world wasn’t easy. I did…” “I know the name of Turkey's leading avant-guard publication. I know that John Q…” “Why should we always try to be true to our natural selves? What if our natural …” “hand and wrist aches are more common than ever...Wikipedia lists...my favorite,…”