This poem may express the passion, impulse, longing and doubt that the author felt when he was young. Youth is a period full of variables and exploration. At this stage, people may face many challenges and growth, and may also feel confused, lost and struggling. This poem may be that the author is recalling his youth, reflecting on the influence of this stage on himself, and at the same time feeling the passage of time and years.
It should be noted that different people may have different understandings. Everyone's life experience, growing background and values are different, so the interpretation of the same poem will vary from person to person. Generally speaking, when I was young, a modern poem may be a reflection on growth, the meaning of life and the passage of time.