Empress Zhangsun was very important to Li Shimin. What touching love story was there between them?

Empress Zhangsun was the empress of Emperor Taizong of the Tang Dynasty, Li Shimin. There was a touching love story between her and Li Shimin. According to historical records, Empress Zhangsun was born into a wealthy aristocratic family, but she did not think highly of herself. On the contrary, she was very modest, diligent, and good at handling affairs. She had been accompanying Emperor Taizong since he was a child, providing him with love and support. After Emperor Taizong ascended the throne, she became his right-hand man and consultant. Li Shimin had made many great achievements during his reign, and Empress Zhangsun had always been an important supporter behind him. She not only helped Li Shimin formulate many important policies and strategies, but also brought many useful suggestions to Emperor Taizong through her wisdom and talent. After Li Shimin's death, Empress Zhangsun continued to support and take care of his heir, providing important help for Emperor Taizong's funeral. Her loyalty and dedication left a good impression on Emperor Taizong of the Tang Dynasty and also left a deep mark in history. The love between Empress Zhangsun and Li Shimin was pure and selfless. They trusted and supported each other through many difficult times. Their love story was one of the most famous love legends in Chinese history, leaving behind beautiful memories for future generations.