You know, I had a girlfriend once.
I met her in June, following the sound of my heartbeat.
We became deeper in love, as the seasons changed, from summer to fall.
I knew that we'd be together as long as the skies remained their color, till the ends of the Earth.
But then she did something. Something bad.
She acts innocent, like nothing happened. And yet she told that lie so quickly.
This little story was put together by the author. The way the lines are spoken refrences a song that him and his lover used to listen to.
What song is it?