'You Who Came From The Stars' Jun Ji Hyun broke up with Kim Soo Hyun soon after he proposed to her, because of their unpredictable love situation.

On the nineteenth episode of the SBS Wednesday Thursday drama "You Who Came From The Stars" which aired on February 20, 2014, Do Min Joon, played by actor Kim Soo Hyun, and Chun Song Yi, played by actress Jun Ji Hyun, dreamed that they would get married and live a happy life. Previously, when there were on a trip together, Do Min Joon promised to Chun Song Yi that he will never leave her alone. Do Min Joon then proposed to Chun Song Yi, saying, "I cant say everything that you want to hear, but I do love you and I do want to do my best to continue this love." Do Min Joon had already met with Chun Song Yi's father.

However, Chun Song Yi, who was waiting for Do Min Joon at his house, learned that Do Min Joon would die if he does not go back to his planet in a month, realizing that this could heavily affect their love life. Chun Song Yi cried, then broke up with Do Min Joon for his life.