Answer: I believe that the 2nd and 3rd blue lines in the passage (and in the 1st image) help the readers determine the theme
Explanation: According to the story the theme to take away from it is love/giving/compassion. And how it's inseparable to break their loving relationship with one another. These lines are not only direct quotes from the girl and boy but tell readers, that both characters deeply love one another as they admire the actions they took in the story.