I think everyone has an idea of what the word “marriage” means. It can, and does, mean many things to many people, but I would hazard a guess that for most “marriage” is generally understood to mean something like a man and a woman have the ceremony where they are pronounced man and wife, they live in a house together, have children and live happily ever after. That’s what “marriage” means in the Western mind.
Undoubtedly, however, we live in changing times. As little as a hundred and fifty years ago, humans flying somewhere was incomprehensible. Travelling anywhere of great distance required months of hardship and the chances of death en route were as good as arriving safely. Just two generations ago space travel was the domain of nutters and science fiction writers. Within my life time, television was a miracle. Colour television was unheard of. Computers were the domain of the aforementioned nutters and science fiction writers who droned on about space travel.