This sonnet is about how much a wife loves her husband. This first verse is describing her love for him. She goes on by saying basically no other woman can love her husband as much as she loves him.
If ever two were one, then surely we. If ever man were loved by wife than thee.
This line i find so sweet and interesting she is basically saying that she loves him more than any riches. Her love for her husband runs so deep she would choose him over riches.
I prize thy love more than whole mines of gold, or all the riches the east doth hold.
An example of allusion is used in this sonnet. "My love is such that rivers cannot quench" that phrase is an allusion of her love and desire for him how she cant live without his love. This adds to the meaning of the poem because the poem is all about how much she loves her husband and this allusion expresses that very well because the human body cant live without water so she compares his love to water. Hesse she would rather die than be without him. Witch adds to the power and emotion of the sonnet
The turn seen on line 7 makes the poem more serious. The poem becomes more serious because it goes from light and loving and happy to somewhat dark by saying she couldn't go on without him. The turn proves her undying love for him because she basically says that even after death her love for him will always last.
Thy love is such i can no way repay; the heavens reward thee manifold i pray.
This s where she puts a spiritual turn on things. The writer believes that they should love eachother as much as they can while they are alive so their love can last for all eternity in the after life.
Then while we live, in love lets preserver, that when we live no more we live ever
She s basically saying that if they love eacother hard in life that their love will preserve into the after life THEME Conjugal love