What do you mean, not friends? Friends not being together is not an explanation.

1, not enemies don't get together. Interpretation: Enemies and enemies are often used as titles for relatives. It's not that enemies don't get together to describe contradictions, disputes or emotional problems when people meet. It's all destiny takes a hand. Generally speaking, to be a lover or relative in this life, you must have a predestination in a previous life.

2. Source: "Ghost in Xishan Cave, a popular novel in Beijing": "It's not that friends don't get together. Good instructors know that there is a good kiss here. "