Behavior shapes emotions. Autore: A.J. Jacobs Copy Quote More from A.J. Jacobs “I'm not a big scatology fan, unlike my sons, who can amuse themselves for an en…” “On the other hand, if you're too delusionally optimistic, you'll be unbearable.…” “Let me tell you, though: being the smartest boy in the world wasn’t easy. I did…” “Incidentally, I spent some time on the Purell website, where you can find a lis…”