“of all the senses, I think smell has to be the most incredible,” my husband said. I had quietly slipped a piece of chocolate into my mouth in the front seat of the car and our son immediately spoke up.

“smell and taste,” I said. “think about it; a man can walk past me and the smell of his cologne can make me think of my high school boyfriend. or you can slip a spoonful of seafood into your mouth and be reminded of a dish you ate on our honeymoon in Hawaii.”

he hummed in agreement, pressin...