To My Dear and Loving Husband Marriage Quotes

How we cite our quotes: (Line)

Quote #4

Then while we live, in love lets so persevere,
That when we live no more, we may live ever (11-12)

The end of the poem echoes its beginning by using the word "ever" one last time. Do you think that this balance is meant to imitate the harmony that is the cornerstone of a successful marriage? Or is something else afoot?