sentences:  Rather, states Edmondson and Wells, the altered rhyme scheme, if not only for the literal symbolism contained in the lines, is meant to keep the mind of the reader engaged.To go further, Edmondson and Wells believe that the variation of the rhyme mirrors the fluctuation of the poet's emotions and thoughts as he writes, or the emotional uncertainty of the speaker, conveyed to the reader through the abnormal rhyme pattern.This sonnet's message appears to be two-fold.