Do Eyes Smile?

While playing in the park one evening, Kerem heard an expression: "The eyes are laughing." From that moment on, he started to ponder. What does it mean for the eyes to laugh? He thought, contemplated, and asked people and animals he encountered. Everyone had a different answer to Kerem’s question. Do you know the meaning of this idiom? Come, let’s follow along with Kerem to find the answer together.