In Joyce Carol Oates' book "Sourland," the complex dynamics of love in marriage are explored, highlighting an inherent imbalance between partners. One spouse often possesses a deeper affection, while the other may remain emotionally distant, leading to a one-sided relationship. This phenomenon indicates that love can be both profound and painful, as the individual who loves more frequently experiences hidden heartache.

The metaphor of "licking wounds in secret" suggests that the person burdened with greater emotional investment may endure suffering in silence. The phrase "rust-taste of blood" symbolizes the lingering pain and bitterness that can arise from unreciprocated feelings. Oates' insightful reflection reveals the struggles and complexities that define marital love, illuminating both its joys and sorrows.