待海变成天少年去死可好
[dài hăi biàn chéng tiān shăo nián qù sĭ kĕ hăo]
This has a melancholic yet dramatic flair indicating longing for something unattainable or expressing youthful impulsiveness toward extreme situations (metaphorically wishing). '待海变成天'(wait until sea turns into sky), which is unlikely, paired with a young person's hypothetical decision to pass away reflects complex adolescent sentiments and emotional intensity.