Celebrating his remaining years, Fan Xian flirted with Liu Ruyu.

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In Joy of Life, Fan Xian and Liu Ruyu's relationship was tense at the beginning. Liu Ruyu was worried that Fan Xian would fight for the family property, so she was hostile to him. However, as the plot progressed, Liu Ruyu's attitude changed. She began to treat Fan Xian differently. Perhaps it was because Fan Xian had helped Fan Sizhe out of his predicament many times, which made Liu Ruyu realize his value. The specific plot and development were not mentioned in the search results provided, so no more information could be provided.

In the original work of " Celebrating Years," Fan Xian did not flirt with Liu Ruyu. His relationship with Liu Ruyu was purely that of mother and son. In the show, Fan Xian and Liu Ruyu had some interactions, but these interactions were based on the needs of the plot and the development of the relationship between the characters. They did not involve the act of making eyes at each other.

In Joy of Life, Fan Xian and Liu Ruyu's relationship was tense at the beginning. Liu Ruyu was worried that Fan Xian would fight for the family property, so she was hostile to him. However, as the plot progressed, Liu Ruyu's attitude changed. She began to treat Fan Xian differently. The specific reason was probably because she realized that Fan Xian did not pose a threat to her and her son. Fan Xian had helped Fan Sizhe out of his predicament many times in the play, which might have changed Liu Ruyu's view of him. Thus, Liu Ruyu's attitude changed from making things difficult for Fan Xian to treating him differently.

In " Joy of Life," Fan Xian and Liu Ruyu's relationship was rather tense at the beginning. Liu Ruyu was worried that Fan Xian would fight for the family property, so she made things difficult for him. However, as Fan Xian helped Fan Sizhe out of his predicament many times, Liu Ruyu's attitude changed. She began to treat Fan Xian differently and eventually became as close as mother and son. The details and reasons were not mentioned.

In Joy of Life, Fan Xian and Liu Ruyu's relationship was tense at the beginning. Liu Ruyu was worried that Fan Xian would fight for the family property, so she was hostile to him. However, as the plot progressed, Liu Ruyu's attitude changed. She began to treat Fan Xian differently. Perhaps it was because Fan Xian had helped Fan Sizhe out of his predicament many times, which made Liu Ruyu realize his value. The specific plot and development were not mentioned in the search results provided. Therefore, regarding the specific situation of Fan Xian having sex with Liu Ruyu in Joy of Life, one needed to watch the " Joy of Life " television series or read the original novel to understand more information.

Liu Ruyu's attitude toward Fan Xian had initially been to make things difficult for him. She was worried that Fan Xian would fight for the family property. However, after Fan Xian helped Fan Sizhe out of his predicament many times, Liu Ruyu's attitude changed. She began to treat Fan Xian differently. This might be because she realized that Fan Xian did not pose a threat to her and her son. Liu Ruyu had originally been hostile toward Fan Xian, but this hostility was understandable. She was Fan Xian's second concubine. She was worried that Fan Xian would turn the tables and fight for the family property. Thus, Liu Ruyu's change in attitude toward Fan Xian was understandable.

In Joy of Life, Fan Xian and Liu Ruyu's relationship was tense at the beginning. Liu Ruyu was worried that Fan Xian would fight for the family property, so she was hostile to him. However, as the plot progressed, Liu Ruyu's attitude changed. She began to treat Fan Xian differently. The specific plot and development were not mentioned in the search results provided.

In " Joy of Life," Fan Xian and Liu Ruyu's relationship was rather tense at the beginning. Liu Ruyu was worried that Fan Xian would fight for the family property, so she made things difficult for him. However, as Fan Xian helped Fan Sizhe out of his predicament many times, Liu Ruyu's attitude changed. She began to treat Fan Xian differently, perhaps because she realized that Fan Xian was not as bad as she had imagined. Liu Ruyu's change in attitude toward Fan Xian showed her kindness and tolerance.

In Joy of Life, Fan Xian and Liu Ruyu's relationship was tense at the beginning. Liu Ruyu was worried that Fan Xian would fight for the family property, so she was hostile to him. However, as the plot progressed, Liu Ruyu's attitude changed. She began to treat Fan Xian differently, and the relationship between the two gradually eased. The details were not mentioned.

In Joy of Life, Fan Xian and Liu Ruyu's relationship was tense at the beginning. Liu Ruyu was worried that Fan Xian would fight for the family property, so she was hostile to him. However, as the plot progressed, Liu Ruyu's attitude changed. She began to treat Fan Xian differently, perhaps because she realized that Fan Xian did not pose a threat to her and her son. The details and development of the plot required watching Joy of Life or reading the original novel.