If you 'evolve' to the point where you call a dog's tail a leg it doesn't have any validity. The dog still has only four legs, at best.
If you 'evolve' to the point where you call two cohabiting male sodomites a marriage it doesn't have any validity. A marriage requires one male and one female. Not two sexual deviates with the same plumbing.
Work Fine Together Useless Mismatch Odd Couple