In a specific period, he just happened to cross paths with her, forming an inherently pure feeling. There seemed to be a bit more element of love, but also mixed energies of respect and dependency. Romantic young people tend to exaggerate, seeking a mighty surge of genuine emotions which shouldn't contain anything else. However, they fail to realize that such feelings are not necessarily firm.
The love between a man and a woman, after going through the time and life's grind, always evolves into something different. It becomes stronger, perhaps, not as dramatic, but it continues to endure, like a steady stream. Many people may choose to break up, as they miss the fervency of their past love, without realizing that all love, at a certain stage, evolves to become a blend of mundane entities like tea, rice, oil, and salt.