sentences:  This "sonnet" or envoi, of six couplets, concludes the part of the sequence apparently addressed to the youth and formally signals a change in tone and subject matter in the remaining sonnets.Ramsey, when examining the overview of plot of the sonnet, observes that Shakespeare begins Sonnet 126 with a claim, then moves to a fear, and then ends with a stark, precise accepting of the power and unavoidability of time and death.When analyzing these 12 lines, Sethna suggests that the lovely boy is becoming substantially older in years without losing any beauty.