The very fact that Tichborne is writing poetry in the last moments of his life gives him an element of grace and dignity - he clearly isn't losing his wits over his unhappy situation. His poem is perfectly iambic pentameter with true a b a b c c rhyme, completely masculine in endings, and a few interesting parallels pull its framework together strongly. Each end rhyme pair is significantly appropriate, each being an opposite of the other and yet equated. For example, lines 1 and 3, "cares" and "tares," or lines 2 and 4, "pain" and "gain." With these words placed carefully in these positions, the poet's youth is degraded further through the association, becoming first a "frost of cares," then equated to "tares," or weeds. This paradox/equation follows through most of the poem, especially well in lines 13 and 15 ("death" = "womb" = "tomb"). Even the fifth and sixth lines of the second and third stanza end in equative diction.
As is customary in elegiac poems beyond the seventeenth century, Tichborne finds some amount of consolation by the end of his verse, realizing that every man will die regardless of the time. Tichborne's elegy to himself is completed in a self-specific resolution, yet it can be generally applicable as well; death begins at birth, and the earth is man's eventual tomb. The poet substitutes a metaphorical hourglass for his life, and he seems to find some amount of acceptance through this as the sands run out with the end of the poem.