Why should a foolish marriage vow, <br />Which long ago was made, <br />Oblige us to each other now <br />When passion is decay'd? <br />We lov'd, and we lov'd, as long as we could, <br />Till our love was lov'd out in us both: <br />But our marriage is dead, when the pleasure is fled: <br />'Twas pleasure first made it an oath. <br /> <br />If I have pleasures for a friend, <br />And farther love in store, <br />What wrong has he whose joys did end, <br />And who could give no more? <br />'Tis a madness that he should be jealous of me, <br />Or that I should bar him of another: <br />For all we can gain is to give our selves pain, <br />When neither can hinder the other.<br /><br />John Dryden<br /><br />http://www.poemhunter.com/poem/why-should-a-foolish-marriage-vow/