People go through stages and phases as well. What would people be like if monogamy was practised at the start of youth? It would be and is chaos. It’s a lot of crushed expectations and hurt feelings.
Monogamy is the most convenient, but it’s also evidenced by it’s rate of failure that it’s not the perfect solution.
I think people generally should do what they want instead of picking one thing. Life is fluid like that. You have the ability to walk away from a 10 year relationship and you really want to end it? Why suffer? Rip the band aid off and continue to enjoy your existence.
There’s nothing that says we have to live one way, and once you choose that you’re finished.
I was reading an article about medical personnel that recorded the various opinions of terminally ill and dying people.
One of the top 5 regrets were people wishing they lived their lives how they wanted to, instead of how others wanted them to.
Another one was also wishing they had stayed in touch with friends over time.