One way to alleviate rumination is to focus on projects: go fix something.
One way to screw up a relationship is to fix it.
Applying “project management techniques” or “goal-based achievement” to relationships distracts us from our mutual humanity. That is, we are still avoiding our deep-seated problems by distracting ourselves, a.k.a. getting things done or being productive, which allows us to feel better for a moment.