I believe the answer is improve, i hope this helps
It really depends on the situation, the kind of relationship, and the person. are you happy in your relationship? or do you feel like being with this person is exhausting you? if someone came up to you and gave you a chance to leave, would you feel relief to be leaving the person? so yeah, it just depends on how much you want to be with them
The correct answer of the given question above would be the third option. What the main idea does not do is to show what a reader will learn, rather, it only shows what the story is about, summarizes the details and events, and illustrates an important idea. Hope this answers your question.
