Taeyeon may not know this, but 'our' night has changed because of Taeyeon's existence. It was the day my heart fell into the sea. Like Taeyeon's song 'BLUE', the night was cold, and my heart was sinking into the deep darkness, submerged in the sea. It was a feeling of depression, it's called a feeling of sadness too, even a feeling of misery - a feeling that could be read. However, I remember a ..