This question involved human emotions and psychological mechanisms, as well as the deeper meaning of the plot of the TV series. When people watched TV series, they were often attracted by the plot and wanted to see the ending as soon as possible. This was because the plot of the TV series was often full of suspense and anticipation. People would spend a lot of time and energy on TV dramas, waiting for the plot to develop. This anticipation and excitement were part of human emotions. However, when the ending of a TV series appeared, people often felt a sense of loss. It might be because they invested a lot of emotion and time but could not get a complete return. This sense of loss may have originated from people's emotional needs and expectations, as well as the aftertaste and reflection of the plot in the TV series. In addition, the plot of a TV series often involved the relationship between the characters, values, and other factors that might affect the audience's emotional experience. The audience will be attracted by the plot and the characters when watching the TV series, but when the TV series is over, they may feel the aftertaste and reflection of the story and the relationship between the characters. This experience may also bring a sense of loss. The plot and character creation of a TV series will have an impact on the audience's emotional experience, and the audience's emotional needs and expectations may also affect their evaluation and experience of the TV series.