How Close Can I See Your Heart

I say I love you, you say I love you. I say I hate you, you say I hate you. How far is the distance between love and hate? Why do so many once-unforgettable loves end up becoming strangers who never get to know each other until death? The two people who were once inseparable finally became strangers. How close can you see your heart clearly, how can you love so that each other will not be hurt.