What theme is explored in both passages?

Andrew Marvell uses hyperbole as well as the metaphysical conceit in his poem To His Coy Mistress.

A clear example of hyperbole, or exaggeration, are the following lines:

       Love you ten years before the flood, (...)"

and

      Thine eyes, and on thy forehead gaze; (...)"

what is exaggerated is the number of years