The Question and Answer section for Andrew Marvell: Poems is a great resource to ask questions, find answers, and discuss the novel.
Gradesaver has a complete summary and analysis of the poem, The Coronet, readily available for your use. Simply follow the direct link provided below.
This couplet has more to do with sex and time than anything else. He means that having sex will not stop the sun from moving but they can make the most of time instead of time perusing them.
Strangely enough, the tone of this poem is one of melancholy.