What is the theme of Song by John Suckling?

The theme of "Song" by John Suckling is the transience of life and beauty, and the importance of seizing the day and enjoying life while it lasts. The song begins by reflecting on the beauty and freshness of a young woman, and how this beauty will inevitably fade with the passing of time. Faced with this reality, the speaker exhorts his audience to make the most of life and love, indulging in worldly pleasures and embracing love affairs rather than saving themselves for a future that is uncertain and may never come. The poem thus conveys a hedonistic and carpe diem philosophy, urging readers to live life fully and experience all it has to offer in the present moment.