The tension of splitting rent unevenly because you earn more has a name. It's fairness fatigue. Speak it, and set terms you can live with.

The thought behind it

It names a feeling you have carried for years without vocabulary. Naming does not dissolve it, but it makes it addressable. It sits in Money Mind because it treats spending as a symptom, and symptoms are worth reading before they are treated. The weight sits on “15” — the one word you cannot swap out without losing the whole point.