The separation of the two main characters makes it sad. They have a deep love for each other in the past but are forced apart for various reasons. Years later, when they meet again, they still have feelings for each other but there are so many things that have changed and they can't easily get back together.
The story might be sad because of unrequited love. Maybe one of the characters loves the other deeply but that love is not fully returned, which often leads to heartbreak and a sense of loss.
Once upon a time, there was a couple. They loved each other passionately. However, the girl was diagnosed with a terminal illness. As she grew weaker, their love became a bittersweet struggle. The boy stayed by her side, but watching her suffer was agonizing. In the end, she passed away, leaving the boy in a state of inconsolable grief. Their love story ended with so much sadness.
'Blue Valentine' is also a notable one. It shows the breakdown of a relationship. We see the couple in different timelines, from their passionate beginning to the sad end. It's a raw and realistic portrayal of how love can fade and turn into something painful.
It might show the pain through the characters' expressions and actions. For instance, a character may become withdrawn, not interested in things they used to like, which is a sign of the inner pain caused by the sad love situation.
Once upon a time, there was a girl named Lily and a boy named Tom. They were deeply in love. But Tom's family had to move to a far - away city. They tried to keep their relationship alive through letters, but gradually, the distance took its toll. The letters became less frequent, and one day, Tom wrote to say he had fallen for someone else. Lily was heartbroken. She would often sit by the window, looking at the street where they used to walk together, tears streaming down her face.
Once there was a man named Henry and a woman named Claire. They were deeply in love. But Henry had to go to war. Claire waited for him day and night. Years passed, and when Henry finally returned, he was a changed man, both physically and mentally. He suffered from PTSD. He felt he was no longer the man Claire loved. So, in the end, he left Claire, leaving her heartbroken.
It could be about a love that was lost and the person is desperately trying to hold on to the memories. Maybe it's a story where two people were deeply in love but were separated by circumstances like distance, family issues or misunderstandings. For example, a couple who met while traveling but had to go back to their own countries in the end, leaving behind a love full of sorrow and longing.
'Tears of a Broken Heart: A Sad Love Story'. This title directly tells the reader that the story is about a love that has broken someone's heart and led to sadness. There's a clear indication of the emotional state that the story will explore.
My red tears wet my silk dress, and my soul falls into my dreams.
It was from Bai Juyi's Song of Everlasting Regret in the Tang Dynasty.
They used to love each other, but now they forgot each other.
It comes from Wang Zhihuan's "Climbing the Stork Tower" in Tang Dynasty.
It's hard to get rid of the clouds on Mount Wu.
From the Tang Dynasty Yuan Zhen's "Separation of Five Songs, the Fourth."
As long as the heavens and earth last, this regret will never end.
It was from Bai Juyi's Song of Everlasting Regret in the Tang Dynasty.
They had met before, but not by fate.
It came from Wang Changling's "Furong Lou Seeing Xin Jian Off" in Tang Dynasty.
He once had it, but now he lost it.
It comes from Wang Bo's "Sending Du Shaofu to Shuzhou."
If the love between the two is long, how can it be morning and evening?
It came from Qin Guan's "Magpie Bridge Immortal" in the Tang Dynasty.
As time passed, things remained the same and people changed.
It was from Li Qingzhao's Dream Order of the Tang Dynasty.
May all lovers in the world finally get married, but the once miserable love story has become a classic sentence: Forever and earth will sometimes end, this hatred will never end.