can confiscate more / people get less tax relief (that is, until they start having Tax Credit Kids / future tax slaves). There are many examples of how legal marriage in essence fiscally penalizes the participants... from halving potential tax credits / write-offs in cases of property ownership to the scenario you describe above.
Legal marriage offers nothing that can't otherwise be arranged with some careful estate and living will planning, and it costs more in the long run than paying costs for estate planning.
If people need to allow a deity of their choice into legitimizing their relationships / senses of commitment, fine! But why let the thieving government into it?
What would the Founders do?
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