Good for them. If this is what works, and makes them happy, by all means. Why do we insist on telling rational adults how they can and cannot live their lives?

Good for them. If this is what works, and makes them happy, by all means. Why do we insist on telling rational adults how they can and cannot live their lives? If whatever people do is between consenting adults and doesn't hurt any outsiders, let them do what they like.