Tell me a real sad love story.

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.

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.

A young couple, Emma and David, had big dreams. They were saving up to buy a house and get married. But David lost his job suddenly. Stress and financial problems started to strain their relationship. Emma tried her best to support him, but David became depressed and started to push her away. In the end, they broke up. Emma was left with a broken heart, always wondering what could have been if things had been different.

There was a couple, Jack and Rose. They met in a small town. They fell deeply in love and planned a future together. But Jack got a rare disease. Rose took care of him day and night. Despite their efforts, Jack passed away. Rose was heartbroken. She still visits his grave every year, always with a single rose, a symbol of their love.

One of the famous Chinese sad love stories is 'The Butterfly Lovers'. Liang Shanbo and Zhu Yingtai were in love but couldn't be together due to the feudal system. Zhu Yingtai was forced to marry another man. Liang Shanbo was so heartbroken that he died. Zhu Yingtai then jumped into his grave. Finally, they turned into a pair of butterflies, flying together forever.

A young man named David loved a girl named Emma deeply. But Emma had a dream of traveling the world and didn't want to be tied down. David was a homebody and couldn't imagine leaving his small town. They constantly argued about their future. Eventually, Emma left to pursue her dreams. David watched her go, his heart filled with sorrow. He often sat in the places they used to go together, reminiscing about their love, knowing that they could never be the same again.

Once, they met and loved deeply. But fate sent him to war. She waited, and one day, got a letter. He was gone. Her love remained, but her heart broke.

Once there was a girl named AJ. She fell deeply in love with a boy. But he had to move far away for his family. AJ was heartbroken as she watched him leave, and she was left with only memories of their time together. It was a love that ended too soon, leaving her in a constant state of sadness.

Once, there was a young man named Tom and a girl named Lily. They worked in the same building. They often shared lunch breaks and soon feelings grew. However, Lily was engaged to someone else, an arrangement made by her parents. Tom and Lily couldn't be together openly. Their secret love was full of pain. In the end, Lily got married and Tom had to watch from afar, a sad end to their unofficial love.