Gratitude: a free, feel-good elixir

Key to happiness isn't living in the right zip code

Gratitude is the key to happiness, far more than income, social status, or living in the right zip code. So it deserves a holiday even if, at Thanksgiving dinner, Aunt Rhoda tells you, again, how you could certainly afford to lose a few pounds, and Uncle Sy’s loud opinions make you want to shove his head in the bowl of mashed potatoes. Breathe deeply; y…