“Love ya!” we toss over our shoulder as we leave a party. “Love you, bye!” we chirp to our dog, who, frankly, doesn’t speak English and just wants another treat. And, listen, I’m not ...

With our last sounds, we carve out a space for leaving it. “Bye Bye I Love You” follows both of these journeys, searching for what these words—and our desperate need to hear them—reveal ...