There are more dimensions to this relationship than just monetary. By your logic, the working party should be able to deduct from any support the cost of a hou

There are more dimensions to this relationship than just monetary. By your logic, the working party should be able to deduct from any support the cost of a housekeeper, a babysitter, a home cook, and a prostitute once a week/month depending on the usual "schedule". Divorce is the end of an arrangement. If one party is risking losing half of what they built with their spouse plus support in perpetuity then what does the other party risk?