The tone of the story is somewhat humorous and the mood is uneasy. One of the themes of the Upturned Face is how destiny determines who dies and lives and how an individual very susceptible to death with just one blink. It is humorous because seeing two guys burying someone and at the same time fighting against someone is ridiculous.
The speaker considers his love to be his muse. The speaker wants his muse to help him immortalize his love. The speaker fears that his love is growing old faster than he would like.